[
  {
    "id": "selection_scope",
    "type": "dataset",
    "title": "MODAVIS Aggregator: source-selection frame",
    "publisher": "MODAVIS project",
    "note": "Registry at revision 2bb6e85282e3ab11af1bcc7126290f67af176f53; aggregator/__init__.py, CRAWLERS dictionary; SHA-256 77a20a2ecb41b01176edab8a978ea684223429fb69c09c740390696448c7701c. Exact registered keys and collection roles are preserved in evidence.json. Access to the underlying private repository is not required to inspect this selection frame."
  },
  {
    "id": "repo_score_collections",
    "type": "dataset",
    "title": "MODAVIS Aggregator: SOURCE_COLLECTIONS",
    "publisher": "MODAVIS project",
    "version": "2bb6e85282e3ab11af1bcc7126290f67af176f53",
    "note": "Packaged extract in evidence.json; source path aggregator/digital_sheet_music_transfer_schema.py; SHA-256 dd652091e15347c1973c7b71613d7db0c5658db9307c9bfaf87c4cf7ed7de04e",
    "author": [
      {
        "literal": "MODAVIS project"
      }
    ]
  },
  {
    "id": "repo_audit",
    "type": "dataset",
    "title": "MODAVIS Aggregator: sources",
    "publisher": "MODAVIS project",
    "version": "2bb6e85282e3ab11af1bcc7126290f67af176f53",
    "note": "Packaged extract in evidence.json; source path documentation/source_investigation_audit.yaml; SHA-256 9713e7fe5625204fd806fb7fe9c670e3af84827e1b3a2d091b2110b2744053e7",
    "author": [
      {
        "literal": "MODAVIS project"
      }
    ]
  },
  {
    "id": "rendered_record_npor",
    "type": "webpage",
    "title": "NPOR - selected record (descriptive title)",
    "URL": "https://npor.org.uk/survey/D00002",
    "publisher": "British Institute of Organ Studies (BIOS)",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "rendered_record_ohs",
    "type": "webpage",
    "title": "OHS Pipe Organ Database - selected record (descriptive title)",
    "URL": "https://pipeorgandatabase.org/instruments/1",
    "publisher": "Organ Historical Society",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "aeolianskinner_main",
    "type": "webpage",
    "title": "Aeolian-Skinner Archives",
    "URL": "https://archive.pipeorgandatabase.org/aeolianskinner/main.html",
    "publisher": "Steve Layden (website creator); Jeff Scofield (website manager)",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Steve Layden (website creator); Jeff Scofield (website manager)"
      }
    ]
  },
  {
    "id": "record_aeolianskinner",
    "type": "webpage",
    "title": "Opus 511: First Baptist Church (Murfreesboro, TN)",
    "URL": "https://archive.pipeorgandatabase.org/aeolianskinner/Specs/Op00511.html",
    "publisher": "Steve Layden (website creator); Jeff Scofield (website manager)",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "record_ohta",
    "type": "webpage",
    "title": "St Andrew's Lutheran Church Wickham Terrace",
    "URL": "https://ohta.org.au/organs/organs/BrisbaneLutheran.html",
    "publisher": "Organ Historical Trust of Australia",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "record_orgelsachsen",
    "type": "webpage",
    "title": "Ablaß - Orgeldatenbank Sachsen",
    "URL": "https://www.orgelforum-sachsen.de/ablass.html?articles=ablass",
    "publisher": "Hochschule für Musik Carl Maria von Weber Dresden",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "record_arpschnitger",
    "type": "webpage",
    "title": "Former organ Glückstadt Stadtkirche",
    "URL": "https://arpschnitger.nl/sgluckst.html",
    "publisher": "Geert Jan Pottjewijd",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "record_varhany",
    "type": "webpage",
    "title": "Varhany a varhanáři v České republice",
    "URL": "https://www.varhany.net/cardheader.php?id=403&lok=268&podrobnosti=1",
    "publisher": "Štěpán Svoboda",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "record_orgbase",
    "type": "webpage",
    "title": "Organ database | Complete description",
    "URL": "https://orgbase.nl/scripts/ogb.exe?database=ob2&%250=2000011&LGE=EN&LIJST=lang",
    "publisher": "Orgbase / Organ Database",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "record_iohio",
    "type": "webpage",
    "title": "Basílica de la Soledad — IOHIO",
    "URL": "https://www.iohio.org.mx/en/basilica-la-soledad",
    "publisher": "Instituto de Órganos Históricos de Oaxaca",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "record_musiqueorguequebec",
    "type": "webpage",
    "title": "Église Sainte-Cécile, Le Bic, (QC)",
    "URL": "http://www.musiqueorguequebec.ca/orgues/quebec/bicsc.html",
    "publisher": "Musique et musiciens / Music and musicians",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "record_orgelarchiv_schmidt",
    "type": "webpage",
    "title": "Mansfeld – Stadtkirche St. Georg (Talkirche) – Orgel Verzeichnis – Orgelarchiv Schmidt",
    "URL": "https://orgel-verzeichnis.de/mansfeld-stadtkirche-st-georg-talkirche/",
    "publisher": "Andreas Schmidt; Stefan Weyreder",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "record_orgeldoc",
    "type": "webpage",
    "title": "Orgeldokumentationszentrum HSLU - selected document (descriptive title)",
    "URL": "https://orgeldokumentationszentrum.ch/backend/v3/details.php?id=17202",
    "publisher": "Hochschule Luzern; Zentral- und Hochschulbibliothek Luzern",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "record_sonora",
    "type": "webpage",
    "title": "SONORA - selected document (descriptive title)",
    "URL": "https://orgeldatabas.gu.se/webgoart/goart/organ1.php?id=14303&lang=sv",
    "publisher": "Göteborg International Organ Academy Association; University of Gothenburg / GRIDH",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "lavender_audio_hereford",
    "type": "webpage",
    "title": "Lavender Audio - Hereford Cathedral Sample Sets",
    "URL": "https://www.lavenderaudio.co.uk/organs/hereford/hwss.html",
    "publisher": "Lavender Audio",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Lavender Audio"
      }
    ]
  },
  {
    "id": "lars_palo_vpo",
    "type": "webpage",
    "title": "My free GrandOrgue samplesets – Lars virtual pipe organ site",
    "URL": "https://familjenpalo.se/vpo/download/",
    "publisher": "Lars virtual pipe organ site",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "family": "Palo",
        "given": "Lars"
      }
    ]
  },
  {
    "id": "virtual_pipe_organs_odfs",
    "type": "webpage",
    "title": "ODFs For GrandOrgue – Virtual Pipe Organs",
    "URL": "https://virtualpipeorgans.wordpress.com/sample-sets/odfs-for-grandorgue/",
    "publisher": "Virtual Pipe Organs",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Virtual Pipe Organs"
      }
    ]
  },
  {
    "id": "browser_npor",
    "type": "webpage",
    "title": "The NPOR | Home",
    "URL": "https://npor.org.uk/",
    "publisher": "British Institute of Organ Studies",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "rendered_browser_page; Home page: provider heading, resource cards and footer",
    "author": [
      {
        "literal": "British Institute of Organ Studies"
      }
    ]
  },
  {
    "id": "web_ohs",
    "type": "webpage",
    "title": "Pipe Organ Database: Explore Historic Pipe Organs",
    "URL": "https://pipeorgandatabase.org/",
    "publisher": "Organ Historical Society",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "web_reader_of_official_page; Home page counters and project footer",
    "author": [
      {
        "literal": "Organ Historical Society"
      }
    ]
  },
  {
    "id": "orgbase_dbis",
    "type": "webpage",
    "title": "DBIS - Orgeldatabase",
    "URL": "https://dbis.ur.de/ALL/resources/105082",
    "publisher": "Datenbank-Infosystem (DBIS), Universitätsbibliothek Regensburg",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get; Resource 105082, Orgeldatabase: descriptive paragraph",
    "author": [
      {
        "literal": "Datenbank-Infosystem (DBIS), Universitätsbibliothek Regensburg"
      }
    ]
  },
  {
    "id": "orgbase",
    "type": "webpage",
    "title": "Organ database | Home",
    "URL": "http://orgbase.nl/",
    "publisher": "Orgbase / Organ Database",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Orgbase / Organ Database"
      }
    ]
  },
  {
    "id": "orgbase_about",
    "type": "webpage",
    "title": "Organ database | Information on the database",
    "URL": "https://orgbase.nl/info_en.html",
    "publisher": "Orgbase / Organ Database",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Orgbase / Organ Database"
      }
    ]
  },
  {
    "id": "indo",
    "type": "webpage",
    "title": "Inventaire national des orgues",
    "URL": "https://inventaire-des-orgues.fr/",
    "publisher": "Orgue en France",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Orgue en France"
      }
    ]
  },
  {
    "id": "orgelsachsen",
    "type": "webpage",
    "title": "Orgeldatenbank Sachsen - Orgeldatenbank Sachsen",
    "URL": "https://www.orgelforum-sachsen.de/orgeldatenbank-sachsen.html",
    "publisher": "Hochschule für Musik Carl Maria von Weber Dresden",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Hochschule für Musik Carl Maria von Weber Dresden"
      }
    ]
  },
  {
    "id": "orgeldb_bayern",
    "type": "webpage",
    "title": "Orgeldatenbank Bayern",
    "URL": "https://orgeldb.de/",
    "publisher": "Michael Bernhard (editor); Gesellschaft für Bayerische Musikgeschichte e.V. (original publisher)",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Michael Bernhard (editor); Gesellschaft für Bayerische Musikgeschichte e.V. (original publisher)"
      }
    ]
  },
  {
    "id": "orgelseite",
    "type": "webpage",
    "title": "Die Orgelseite - 6.622 Orgeln in 83 Ländern, Fotos, Dispositionen, Musik und CDs",
    "URL": "https://die-orgelseite.de/",
    "publisher": "Die Orgelseite",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Die Orgelseite"
      }
    ]
  },
  {
    "id": "orgelsite",
    "type": "webpage",
    "title": "de Orgelsite | orgelsite.nl",
    "URL": "https://www.orgelsite.nl/",
    "publisher": "de Orgelsite / orgelsite.nl",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "de Orgelsite / orgelsite.nl"
      }
    ]
  },
  {
    "id": "orguesfrance",
    "type": "webpage",
    "title": "Accueil",
    "URL": "http://orguesfrance.com/",
    "publisher": "Orgues en France et dans le monde",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Orgues en France et dans le monde"
      }
    ]
  },
  {
    "id": "organindex",
    "type": "webpage",
    "title": "Organ Index (entry-point check)",
    "URL": "https://organindex.de/",
    "publisher": "Organ Index contributors",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get; HTTP 403; page content not verified",
    "author": [
      {
        "literal": "Organ Index contributors"
      }
    ]
  },
  {
    "id": "varhany_about",
    "type": "webpage",
    "title": "Varhany a varhanáři v České republice",
    "URL": "https://www.varhany.net/info.php",
    "publisher": "Varhany a varhanáři v České republice",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "family": "Svoboda",
        "given": "Štěpán"
      }
    ]
  },
  {
    "id": "orgelarchiv_about",
    "type": "webpage",
    "title": "Über Uns – Orgel Verzeichnis – Orgelarchiv Schmidt",
    "URL": "https://orgel-verzeichnis.de/ueber-uns/",
    "publisher": "Andreas Schmidt; Stefan Weyreder",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Andreas Schmidt; Stefan Weyreder"
      }
    ]
  },
  {
    "id": "sourceforge_ourorgan_samplesets",
    "type": "webpage",
    "title": "GrandOrgue / Samplesets / Sample Sets",
    "URL": "https://sourceforge.net/p/ourorgan/samplesets/Sample%20Sets/",
    "publisher": "GrandOrgue project contributors",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "GrandOrgue project contributors"
      }
    ]
  },
  {
    "id": "hslu_status",
    "type": "webpage",
    "title": "Orgeldokumentationszentrum | Hochschule Luzern",
    "URL": "https://www.hslu.ch/de-ch/musik/campus/bibliothek/spezialsammlung-musik/orgeldokumentationszentrum/",
    "publisher": "Hochschule Luzern; Zentral- und Hochschulbibliothek Luzern",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Hochschule Luzern; Zentral- und Hochschulbibliothek Luzern"
      }
    ]
  },
  {
    "id": "browser_sonora",
    "type": "webpage",
    "title": "Sonora: Digitising Sweden's Organ Heritage",
    "URL": "https://sonora.dh.gu.se/",
    "publisher": "Göteborg International Organ Academy Association; University of Gothenburg / GRIDH",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "rendered_browser_page; About the portal; The Archives",
    "author": [
      {
        "literal": "Göteborg International Organ Academy Association; University of Gothenburg / GRIDH"
      }
    ]
  },
  {
    "id": "arpschnitger",
    "type": "webpage",
    "title": "Homepage Organs of Arp Schnitger and organs in Drenthe",
    "URL": "https://arpschnitger.nl/",
    "publisher": "Organs of Arp Schnitger",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "family": "Pottjewijd",
        "given": "Geert Jan"
      }
    ]
  },
  {
    "id": "augustine_virtual_organs_samples",
    "type": "webpage",
    "title": "List of AVO Hauptwerk sound samples",
    "URL": "https://hauptwerk-augustine.info/Sample_sets.php",
    "publisher": "Augustine's Virtual Organs",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Augustine's Virtual Organs"
      }
    ]
  },
  {
    "id": "bdo_tuning_systems",
    "type": "webpage",
    "title": "Stimmungen",
    "URL": "https://bund-deutscher-orgelbaumeister.de/stimmungen/",
    "publisher": "Hans Eugen Frischknecht; Jakob Schmid; hosted by Bund Deutscher Orgelbaumeister",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Hans Eugen Frischknecht; Jakob Schmid; hosted by Bund Deutscher Orgelbaumeister"
      }
    ]
  },
  {
    "id": "bdo_authors",
    "type": "webpage",
    "title": "Stimmungen Autoren",
    "URL": "https://bund-deutscher-orgelbaumeister.de/stimmungen/authors.htm",
    "publisher": "Bund Deutscher Orgelbaumeister",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "family": "Frischknecht",
        "given": "Hans Eugen"
      },
      {
        "family": "Schmid",
        "given": "Jakob"
      }
    ]
  },
  {
    "id": "binauralpipes_instruments",
    "type": "webpage",
    "title": "Instrumente – Binauralpipes.com",
    "URL": "https://binauralpipes.com/instrumente",
    "publisher": "Dietrich Wierczeyko / Binauralpipes",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Dietrich Wierczeyko / Binauralpipes"
      }
    ]
  },
  {
    "id": "contrebombarde_organs",
    "type": "webpage",
    "title": "contrebombarde.com concert hall",
    "URL": "https://www.contrebombarde.com/concerthall/organs/search",
    "publisher": "Contrebombarde Concert Hall",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Contrebombarde Concert Hall"
      }
    ]
  },
  {
    "id": "digital_sheet_music",
    "type": "webpage",
    "title": "MusicXML Sites: A List of Sites with Sheet Music in MusicXML Format",
    "URL": "https://www.musicxml.com/music-in-musicxml/",
    "publisher": "MakeMusic, Inc.",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "MakeMusic, Inc."
      }
    ]
  },
  {
    "id": "estey",
    "type": "webpage",
    "title": "Estey Pipe Organs Brattleboro Vermont Virtual Museum",
    "URL": "https://archive.pipeorgandatabase.org/estey/",
    "publisher": "Matrix Associates / The Estey Organ virtual museum",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Matrix Associates / The Estey Organ virtual museum"
      }
    ]
  },
  {
    "id": "record_estey",
    "type": "webpage",
    "title": "Opus 1 - First Methodist Church, Brattleboro, VT",
    "URL": "https://archive.pipeorgandatabase.org/estey/Opus1.html",
    "publisher": "Matrix Associates / The Estey Organ virtual museum",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "evensong_hauptwerk_samplesets",
    "type": "webpage",
    "title": "Samplesets for Hauptwerk – EVENSONG LLC",
    "URL": "https://www.evensongmusic.net/?page_id=155",
    "publisher": "Evensong LLC",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Evensong LLC"
      }
    ]
  },
  {
    "id": "evensong_rights",
    "type": "webpage",
    "title": "LICENSE AGREEMENT – HW SAMPLES – EVENSONG LLC",
    "URL": "https://www.evensongmusic.net/?page_id=3884",
    "publisher": "Evensong LLC",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Evensong LLC"
      }
    ]
  },
  {
    "id": "gdo_intro",
    "type": "webpage",
    "title": "Literaturdatenbank - Gesellschaft der Orgelfreunde",
    "URL": "https://www.gdo.de/recherchen/literaturdatenbank",
    "publisher": "Gesellschaft der Orgelfreunde",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "family": "Reichling",
        "given": "Alfred"
      },
      {
        "family": "Reichling",
        "given": "Matthias"
      }
    ]
  },
  {
    "id": "gdo_literature",
    "type": "webpage",
    "title": "GDO Literaturdatenbank (entry-point check)",
    "URL": "https://literaturdb.gdo.de/bib.php",
    "publisher": "Alfred Reichling; Matthias Reichling; Gesellschaft der Orgelfreunde",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get; HTTP 500; page content not verified",
    "author": [
      {
        "literal": "Alfred Reichling; Matthias Reichling; Gesellschaft der Orgelfreunde"
      }
    ]
  },
  {
    "id": "gdo_orgelbauer_links",
    "type": "webpage",
    "title": "Orgelbauer - Gesellschaft der Orgelfreunde",
    "URL": "https://www.gdo.de/recherchen/links/orgelbauer",
    "publisher": "Gesellschaft der Orgelfreunde",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Gesellschaft der Orgelfreunde"
      }
    ]
  },
  {
    "id": "grandorgue_github_wiki",
    "type": "webpage",
    "title": "Sample Sets · GrandOrgue/grandorgue Wiki · GitHub",
    "URL": "https://github.com/GrandOrgue/grandorgue/wiki/Sample-Sets",
    "publisher": "GrandOrgue project contributors",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "GrandOrgue project contributors"
      }
    ]
  },
  {
    "id": "record_indo",
    "type": "webpage",
    "title": "Orgue à rouleaux église Saint-Pierre - Airvault, Deux-Sèvres",
    "URL": "https://inventaire-des-orgues.fr/detail/orgue-airvault-eglise-saint-pierre-fr-79005-airva-stpier1-x/",
    "publisher": "Orgue en France",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "iohio",
    "type": "webpage",
    "title": "IOHIO",
    "URL": "https://www.iohio.org.mx/",
    "publisher": "Instituto de Órganos Históricos de Oaxaca",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Instituto de Órganos Históricos de Oaxaca"
      }
    ]
  },
  {
    "id": "iohio_home",
    "type": "webpage",
    "title": "Home | Explore, Conserve, Enjoy Now — IOHIO",
    "URL": "https://www.iohio.org.mx/en/home",
    "publisher": "Instituto de Órganos Históricos de Oaxaca",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Instituto de Órganos Históricos de Oaxaca"
      }
    ]
  },
  {
    "id": "jeux_d_orgues_downloads",
    "type": "webpage",
    "title": "Jeux d'orgues",
    "URL": "https://www.jeuxdorgues.com/",
    "publisher": "Jeux d'orgues",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Jeux d'orgues"
      }
    ]
  },
  {
    "id": "kirchenorgelforum",
    "type": "webpage",
    "title": "Kirchenorgel-Forum",
    "URL": "https://www.kirchenorgelforum.at/",
    "publisher": "Kirchenorgel-Forum",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Kirchenorgel-Forum"
      }
    ]
  },
  {
    "id": "indexed_milan",
    "type": "webpage",
    "title": "Instruments: Milan Digital Audio",
    "URL": "https://milandigitalaudio.com/instruments/",
    "publisher": "Milan Digital Audio",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "search_index_of_official_page; Instrument catalogue product headings; indexed age reported as last month",
    "author": [
      {
        "literal": "Milan Digital Audio"
      }
    ]
  },
  {
    "id": "milan_digital_audio_instruments",
    "type": "webpage",
    "title": "Milan Digital Audio Instruments (entry-point check)",
    "URL": "https://milandigitalaudio.com/instruments/",
    "publisher": "Milan Digital Audio",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get; HTTP 403; page content not verified",
    "author": [
      {
        "literal": "Milan Digital Audio"
      }
    ]
  },
  {
    "id": "mps_orgelseite_filebase",
    "type": "webpage",
    "title": "Filebase - MPS Orgelseite",
    "URL": "https://mps-orgelseite.de/home/filebase/",
    "publisher": "MPS Orgelseite contributors",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "MPS Orgelseite contributors"
      }
    ]
  },
  {
    "id": "musiqueorguequebec",
    "type": "webpage",
    "title": "Musique et musiciens / Music and musicians",
    "URL": "http://www.musiqueorguequebec.ca/",
    "publisher": "Musique et musiciens / Music and musicians",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Musique et musiciens / Music and musicians"
      }
    ]
  },
  {
    "id": "browser_musixplora",
    "type": "webpage",
    "title": "musiXplora: Über den musiXplora",
    "URL": "https://musixplora.de/about/",
    "publisher": "musiXplora / Universität Leipzig",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "rendered_browser_page; About text, domain navigation; person-search interface at /musici/; imprint links at /impressum/",
    "author": [
      {
        "literal": "musiXplora / Universität Leipzig"
      }
    ]
  },
  {
    "id": "nomine",
    "type": "webpage",
    "title": "Historische Orgeln in Norddeutschland entdecken – NOMINE e.V.",
    "URL": "https://nomine.net/",
    "publisher": "Norddeutsche Orgelmusikkultur in Niedersachsen und Europa e.V. (NOMINE)",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Norddeutsche Orgelmusikkultur in Niedersachsen und Europa e.V. (NOMINE)"
      }
    ]
  },
  {
    "id": "record_nomine",
    "type": "webpage",
    "title": "Abbehausen, St. Laurentius - Nomine",
    "URL": "https://nomine.net/orgel/abbehausen-st-laurentius/",
    "publisher": "Norddeutsche Orgelmusikkultur in Niedersachsen und Europa e.V. (NOMINE)",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "indexed_nycago",
    "type": "webpage",
    "title": "The New York City Organ Project: Organs in the Borough of Manhattan",
    "URL": "https://www.nycago.org/Organs/NYC/",
    "publisher": "New York City Chapter, American Guild of Organists",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "search_index_of_official_page; Page introduction and borough navigation; indexed age reported as 2.9 years",
    "author": [
      {
        "literal": "New York City Chapter, American Guild of Organists"
      }
    ]
  },
  {
    "id": "nycago_catalogue",
    "type": "webpage",
    "title": "nycago_catalogue",
    "URL": "https://www.nycago.org/Organs/NYC/",
    "publisher": "New York City Chapter, American Guild of Organists",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get; HTTP 403; page content not verified",
    "author": [
      {
        "literal": "New York City Chapter, American Guild of Organists"
      }
    ]
  },
  {
    "id": "record_nycago",
    "type": "webpage",
    "title": "NYC AGO - selected document (descriptive title)",
    "URL": "https://nycago.org/Organs/Brx/html/FordhamSkatingRink.html",
    "publisher": "New York City Chapter, American Guild of Organists",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "ohs",
    "type": "webpage",
    "title": "Pipe Organ Database | Explore Historic Pipe Organs",
    "URL": "https://pipeorgandatabase.org/",
    "publisher": "Organ Historical Society",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Organ Historical Society"
      }
    ]
  },
  {
    "id": "ohta",
    "type": "webpage",
    "title": "Organ Historical Trust of Australia",
    "URL": "https://ohta.org.au/",
    "publisher": "Organ Historical Trust of Australia",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Organ Historical Trust of Australia"
      }
    ]
  },
  {
    "id": "ohta_rights",
    "type": "webpage",
    "title": "Copyright and privacy policy - Organ Historical Trust of Australia",
    "URL": "https://ohta.org.au/copyright-privacy-policy/",
    "publisher": "Organ Historical Trust of Australia",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Organ Historical Trust of Australia"
      }
    ]
  },
  {
    "id": "record_organindex",
    "type": "webpage",
    "title": "Organ Index - selected document (descriptive title)",
    "URL": "https://organindex.de",
    "publisher": "Organ Index contributors",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "orgelarchiv_schmidt",
    "type": "webpage",
    "title": "Orgel Verzeichnis – Orgelarchiv Schmidt – Deutschland – Schweiz – Österreich",
    "URL": "https://orgel-verzeichnis.de/",
    "publisher": "Andreas Schmidt; Stefan Weyreder",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Andreas Schmidt; Stefan Weyreder"
      }
    ]
  },
  {
    "id": "record_orgeldb_bayern",
    "type": "webpage",
    "title": "ODB",
    "URL": "https://orgeldb.de/cgi-bin/dispo?satz=917591979",
    "publisher": "Michael Bernhard (editor); Gesellschaft für Bayerische Musikgeschichte e.V. (original publisher)",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "orgeldoc",
    "type": "webpage",
    "title": "Orgeldokumentationszentrum der Hochschule Luzern – Musik",
    "URL": "https://orgeldokumentationszentrum.ch/",
    "publisher": "Hochschule Luzern; Zentral- und Hochschulbibliothek Luzern",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Hochschule Luzern; Zentral- und Hochschulbibliothek Luzern"
      }
    ]
  },
  {
    "id": "orgelseite_imprint",
    "type": "webpage",
    "title": "Impressum",
    "URL": "https://die-orgelseite.de/impressum.htm",
    "publisher": "Die Orgelseite",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Die Orgelseite"
      }
    ]
  },
  {
    "id": "record_orgelseite_list",
    "type": "webpage",
    "title": "Orgeldatenbank mit Fotos, Dispositionen und Klangbeispielen - Seite 001",
    "URL": "https://die-orgelseite.de/orgelliste_001.htm",
    "publisher": "Die Orgelseite",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "record_orgelsite",
    "type": "webpage",
    "title": "Dordrecht, Grote Kerk, Hoofdorgel – de Orgelsite | orgelsite.nl",
    "URL": "https://www.orgelsite.nl/dordrecht-grote-kerk-hoofdorgel/",
    "publisher": "de Orgelsite / orgelsite.nl",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "orgelverzeichnis_ch",
    "type": "webpage",
    "title": "Orgelverzeichnis Schweiz",
    "URL": "https://orgelverzeichnis.ch/",
    "publisher": "Peter Fasler; François Comment / Orgelverzeichnis Schweiz",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Peter Fasler; François Comment / Orgelverzeichnis Schweiz"
      }
    ]
  },
  {
    "id": "swiss_rights",
    "type": "webpage",
    "title": "Urheber",
    "URL": "https://orgelverzeichnis.ch/Orgelverzeichnis/urheber.htm",
    "publisher": "Peter Fasler; François Comment / Orgelverzeichnis Schweiz",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Peter Fasler; François Comment / Orgelverzeichnis Schweiz"
      }
    ]
  },
  {
    "id": "record_orgelverzeichnis_ch",
    "type": "webpage",
    "title": "Aarau alte Kant. Schule, Orgel-Profile Aargau",
    "URL": "https://orgelverzeichnis.ch/AGProfile/aarau_gymalt.htm",
    "publisher": "Peter Fasler; François Comment / Orgelverzeichnis Schweiz",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "orguesch",
    "type": "webpage",
    "title": "Orgues.ch - Orgues en Suisse",
    "URL": "https://www.orgues.ch/",
    "publisher": "Orgues.ch",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Orgues.ch"
      }
    ]
  },
  {
    "id": "record_orguesch",
    "type": "webpage",
    "title": "Orgue non trouvé",
    "URL": "https://www.orgues.ch/orgues/orgue-de-eglise-catholique-de-burgdorf",
    "publisher": "Orgues.ch",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "record_orguesfrance",
    "type": "webpage",
    "title": "Auditorium de Radio-France - Paris 16è",
    "URL": "http://orguesfrance.com/ParisAuditoriumRadioFrance.html",
    "publisher": "Orgues en France et dans le monde",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          11
        ]
      ]
    },
    "note": "Selected document inspected or attempted on 11 September 2026; see evidence.json and the individual catalogue account. Access is not a source-wide validation."
  },
  {
    "id": "oswa",
    "type": "webpage",
    "title": "The Organ Society of Western Australia",
    "URL": "https://www.oswa.org.au/",
    "publisher": "Organ Society of Western Australia",
    "accessed": {
      "date-parts": [
        [
          2026,
          9,
          10
        ]
      ]
    },
    "note": "bounded_direct_http_get",
    "author": [
      {
        "literal": "Organ Society of Western Australia"
      }
    ]
  },
  {
    "id": "record_oswa",
    "type": "webpage",
    "title": "Pipe Organs in WA",
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      }
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