{
 "row": "schoenberg-database",
 "address": "Schoenberg Database of Manuscripts",
 "addresses": [
  "Schoenberg Database of Manuscripts"
 ],
 "extracted": "2026-10-29",
 "extractor": "Claude (Opus 5.5), subagent, one extractor (unaudited, §3.8)",
 "rule": "v0.9 §3.5, source-neutral: opening, defined terms, headline claims, stated limits; quotes verbatim from the saved page texts (whitespace-normalised for the check; multi-part quotes joined by ' … ', each part checked), the Wikipedia response texts, or the card's title and snippet for the unreachable cards and the video; 50/50 verified by script; third-party pages quoted only in short spans",
 "B_note": "The field B (§0.4, §3.1(a)), three origins kept apart: 'card', every card on the transcript's rail (B1–B8: the Medieval Academy's 2015 catalogue entry, four Penn pages (unreachable), the Bibliographical Society of America's video (title only), AWOL's 2020 reprint of the home page, the MMM data paper); 'own_page', the sources the provenance census record cites with basis 'operator' (B9, the home page; B10, the MMM white paper, hosted by Aalto), neither surfaced by T, both the census's saved copies; 'wikipedia', the database's and the Institute's titles, both without an article (B11, B12). No census third-party source for this row.",
 "lineage_note": "Lineages: what it is (B1, B2, B6, B9); the operator (B2, B5, B7); the collection (B4); the unit (B9, B10); the carrier (B6, B9, B10); count by date (B1, B6, B8, B9, B10); intake and access (B1, B9, B10); scope (B1); licence (B1, B6, B8, B9); status (B1, B9); stated limits (B10); part of MMM (B8, B10); reception (B1, B3, B6, B11, B12). The home page's self-description (B9) is one lineage with its 2015 and 2020 copies (B1, B6), the earliest B1; the census's fields that restate B9 and B10 quotes (self_description, license, unit, count) are one lineage with those pages, which keep the earliest date.",
 "pages": "saved files under datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/ (Bn.html or Bn.pdf raw, Bn.txt text; Bn-response.html for the 403 answers of the unreachable cards; B11/B12 .wiki, .html, -search.html raw responses with .txt summaries of the HTTP codes and notices; T1-…txt the registry's transcript string); sha256 per file in each source's 'files'",
 "field": [
  {
   "id": "B1",
   "origin": "card",
   "role": "Overview card 1",
   "n": 1,
   "card": "Medieval Digital Resources — Schoenberg Database of Manuscripts – Medieval Digital Resources",
   "url": "https://mdr-maa.org/resource/schoenberg-database-of-manuscripts/",
   "kind": "Overview card (a catalogue entry of the Medieval Academy of America's Medieval Digital Resources)",
   "files": {
    "B1.html": {
     "path": "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B1.html",
     "sha256": "b3b096aefc141269e6ab45b2b94b7651d6eb4c94e4bab1f57b010694688924d5"
    },
    "B1.txt": {
     "path": "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B1.txt",
     "sha256": "b7021f10e5e1b423d2eccc2c0b4645b09797c6bb351214ec508c41e6431fd9c3"
    }
   },
   "fetched": {
    "at": "2026-10-29T17:06:34Z",
    "http": 200,
    "url": "https://mdr-maa.org/resource/schoenberg-database-of-manuscripts/",
    "raw": "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B1.html",
    "raw_sha256": "b3b096aefc141269e6ab45b2b94b7651d6eb4c94e4bab1f57b010694688924d5",
    "text": [
     "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B1.txt"
    ]
   },
   "names_operator": "no (the entry names the database and its address, not the Schoenberg Institute)",
   "names_archive": "no",
   "note": "URL found by WebSearch on the card's title and site. The entry is dated 26-08-2015 and signed Lisa Fagin Davis. The card's snippet ('Resource: Schoenberg Database of Manuscripts (sdbm.library.upenn.edu); ongoing crowd-sourced, searchable, and downloadable relational database and catalog of pr...') is not in the page's text or meta description ('Created by the Medieval Academy of America'): it is the composition layer's rendering of the entry's fields; the page text is ledgered.",
   "surfaced_by_T": [
    {
     "slug": "schoenberg-database-of-manuscripts-aio-20261029",
     "card": 1
    }
   ],
   "card_title": "Schoenberg Database of Manuscripts – Medieval Digital Resources",
   "card_snippet": "Resource: Schoenberg Database of Manuscripts (sdbm.library.upenn.edu); ongoing crowd-sourced, searchable, and downloadable relational database and catalog of pr...",
   "card_note": "fetched; the page text is ledgered"
  },
  {
   "id": "B2",
   "origin": "card",
   "role": "Overview card 2",
   "n": 2,
   "card": "Penn Libraries — Digital Projects",
   "url": "https://www.library.upenn.edu/sims/digital-projects",
   "kind": "Overview card (unreachable)",
   "files": {},
   "fetched": {
    "unreachable": true,
    "tries": [
     {
      "at": "2026-10-29T17:06:35Z",
      "url": "https://www.library.upenn.edu/sims/digital-projects",
      "http": 403,
      "response_saved": "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B2-response.html",
      "response_sha256": "151e54cd393b6e50aa1fddd8443514602f22eeba19e405a7547897895ce47c9f",
      "error": "HTTP 403: a Cloudflare challenge page ('Just a moment...')"
     }
    ],
    "note": "URL found by WebSearch on the card's title and site (title 'digital projects', library.upenn.edu/sims/). The fetch with the brief's command returned the Cloudflare challenge (saved). A request for an archived copy was not pursued (a workaround for the challenge was refused in this workspace). The card's title and snippet stand as its only text."
   },
   "names_operator": "no in the snippet (the page is the operator's; the title and snippet name the database only)",
   "names_archive": "no (title and snippet)",
   "note": "the Schoenberg Institute's digital-projects page on the Penn Libraries site; its claims (F10, F11) are quoted from the card's title and snippet.",
   "surfaced_by_T": [
    {
     "slug": "schoenberg-database-of-manuscripts-aio-20261029",
     "card": 2
    }
   ],
   "card_title": "Digital Projects",
   "card_snippet": "Accordion List * Schoenberg Database of Manuscripts The Schoenberg Database of Manuscripts (SDBM) is an online, user-maintained, open-access, collaborative rese...",
   "card_note": "unreachable: snippet only"
  },
  {
   "id": "B3",
   "origin": "card",
   "role": "Overview card 3 (video)",
   "n": 3,
   "card": "YouTube·Bibliographical Society of America — Introduction to the Schoenberg Database of Manuscripts (SDBM)",
   "url": null,
   "kind": "Overview card (video, 4m; admitted through title)",
   "files": {},
   "fetched": {
    "unreachable": true,
    "tries": [],
    "note": "A video card, admitted through its title (the card carries no snippet; the rail shows '4m'). WebSearch on the title found BibSite's record (bibsite.org/Detail/objects/86) of a Bibliographical Society of America video of the same title, a webinar by Emma Thomson recorded 19 May 2020, 'MP4, 53:57', https://www.youtube.com/watch?v=XhFbmXqlpIA. Its length does not match the card's 4m, so the card's video is not identified and BibSite's description is not admitted as the card's text. The title stands as the card's only text."
   },
   "names_operator": "no (title)",
   "names_archive": "no (title)",
   "note": "title only.",
   "surfaced_by_T": [
    {
     "slug": "schoenberg-database-of-manuscripts-aio-20261029",
     "card": 3
    }
   ],
   "card_title": "Introduction to the Schoenberg Database of Manuscripts (SDBM)",
   "card_snippet": null,
   "card_note": "video: title only"
  },
  {
   "id": "B4",
   "origin": "card",
   "role": "Overview card 4",
   "n": 4,
   "card": "Penn Libraries — Lawrence J. Schoenberg Collection | Penn Libraries",
   "url": "https://www.library.upenn.edu/collections/notable/lawrence-j-schoenberg",
   "kind": "Overview card (unreachable)",
   "files": {},
   "fetched": {
    "unreachable": true,
    "tries": [
     {
      "at": "2026-10-29T17:06:37Z",
      "url": "https://www.library.upenn.edu/collections/notable/lawrence-j-schoenberg",
      "http": 403,
      "response_saved": "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B4-response.html",
      "response_sha256": "3de1559131cd17526a92ae5995ec0edfb7276cb27fe1ab28f8414fcc5ef27a9a",
      "error": "HTTP 403: a Cloudflare challenge page ('Just a moment...')"
     }
    ],
    "note": "Candidate URL from WebSearch (library.upenn.edu/collections/notable/lawrence-j-schoenberg); not confirmed as the card's page, since the fetch returned the Cloudflare challenge (saved). A request for an archived copy was not pursued (a workaround for the challenge was refused in this workspace). The card's title and snippet stand as its only text."
   },
   "names_operator": "no in the snippet",
   "names_archive": "no (title and snippet)",
   "note": "the Lawrence J. Schoenberg Collection: the collection, a distinct entity from the database (task note); its claim (F13) is quoted from the card's snippet.",
   "surfaced_by_T": [
    {
     "slug": "schoenberg-database-of-manuscripts-aio-20261029",
     "card": 4
    }
   ],
   "card_title": "Lawrence J. Schoenberg Collection | Penn Libraries",
   "card_snippet": "Collection: Lawrence J. Schoenberg Collection at Penn Libraries. Contents: Nearly 300 manuscripts and documents dating from ca. 1900 BC to the 20th century, foc...",
   "card_note": "unreachable: snippet only"
  },
  {
   "id": "B5",
   "origin": "card",
   "role": "Overview card 5",
   "n": 5,
   "card": "Penn Libraries — About SIMS",
   "url": "https://www.library.upenn.edu/sims/about-sims",
   "kind": "Overview card (unreachable)",
   "files": {},
   "fetched": {
    "unreachable": true,
    "tries": [
     {
      "at": "2026-10-29T17:06:38Z",
      "url": "https://www.library.upenn.edu/sims/about-sims",
      "http": 403,
      "response_saved": "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B5-response.html",
      "response_sha256": "9c2a87e4da729519efff250955b2f7a79eec06110559696672a6183f8b752569",
      "error": "HTTP 403: a Cloudflare challenge page ('Just a moment...')"
     }
    ],
    "note": "URL found by WebSearch on the card's title and site (title 'About SIMS'). A request for an archived copy was not pursued (a workaround for the challenge was refused in this workspace). The card's title and snippet stand as its only text."
   },
   "names_operator": "yes ('SIMS' in title and snippet)",
   "names_archive": "no (title and snippet)",
   "note": "the operator's own page; its claim (F14) is quoted from the snippet.",
   "surfaced_by_T": [
    {
     "slug": "schoenberg-database-of-manuscripts-aio-20261029",
     "card": 5
    }
   ],
   "card_title": "About SIMS",
   "card_snippet": "About SIMS At the core of SIMS is the Lawrence J. Schoenberg collection of manuscripts, which was donated to the Penn Libraries in 2011 as part of a landmark gi...",
   "card_note": "unreachable: snippet only"
  },
  {
   "id": "B6",
   "origin": "card",
   "role": "Overview card 6",
   "n": 6,
   "card": "AWOL - The Ancient World Online — The Ancient World Online: The Schoenberg Database of Manuscripts",
   "url": "https://ancientworldonline.blogspot.com/2016/10/the-new-schoenberg-database-of.html",
   "kind": "Overview card (blog post reprinting the database's home page)",
   "files": {
    "B6.html": {
     "path": "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B6.html",
     "sha256": "5f1743407ed436f1c097320b183e11db49c327772f95baef1e24a2b1edcf5491"
    },
    "B6.txt": {
     "path": "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B6.txt",
     "sha256": "c51258291e8b3cd058f8ec188e05bf99e75191bf2ff31e0fb1117c6b43ed8e8f"
    }
   },
   "fetched": {
    "at": "2026-10-29T17:10:21Z",
    "http": 200,
    "url": "https://ancientworldonline.blogspot.com/2016/10/the-new-schoenberg-database-of.html",
    "raw": "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B6.html",
    "raw_sha256": "5f1743407ed436f1c097320b183e11db49c327772f95baef1e24a2b1edcf5491",
    "text": [
     "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B6.txt"
    ]
   },
   "names_operator": "no (the reprint names the SDBM and its features, not the Institute)",
   "names_archive": "no",
   "note": "URL found through the blog's own search for the quoted name (one post titled 'The Schoenberg Database of Manuscripts'); the post is dated 'Sunday, May 10, 2020' (its URL carries 2016/10) and posted by Chuck Jones; its body reprints the database's home page of that date, facets included.",
   "surfaced_by_T": [
    {
     "slug": "schoenberg-database-of-manuscripts-aio-20261029",
     "card": 6
    }
   ],
   "card_title": "The Ancient World Online: The Schoenberg Database of Manuscripts",
   "card_snippet": "The Schoenberg Database of Manuscripts. Schoenberg Database of Manuscripts. The SDBM continuously aggregates and updates observations of pre-modern manuscripts ...",
   "card_note": "fetched; the page text is ledgered"
  },
  {
   "id": "B7",
   "origin": "card",
   "role": "Overview card 7",
   "n": 7,
   "card": "University of Pennsylvania Press — Current and back content of Penn Press journal Manuscript Studies to ...",
   "url": "https://www.pennpress.org/?p=4048",
   "kind": "Overview card (unreachable)",
   "files": {},
   "fetched": {
    "unreachable": true,
    "tries": [
     {
      "at": "2026-10-29T17:06:43Z",
      "url": "https://www.pennpress.org/?p=4048",
      "http": 403,
      "response_saved": "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B7-response.html",
      "response_sha256": "f261423d1da97890ff6bfccd31ff4ee0b74f69351cf75095fbe791cb16cbf5bd",
      "error": "HTTP 403 Forbidden"
     },
     {
      "at": "2026-10-29T17:06:44Z",
      "url": "https://www.library.upenn.edu/news/current-and-back-content-penn",
      "http": 403,
      "response_saved": "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B7-alt-response.html",
      "response_sha256": "6b66425867abea497893fe4612023f233c2f2771231c9cb9cc2aa92a87a924a1",
      "error": "HTTP 403: a Cloudflare challenge page (the Penn Libraries news item of the same title)"
     }
    ],
    "note": "URLs found by WebSearch on the card's title (pennpress.org/?p=4048, the site the card names; library.upenn.edu/news/current-and-back-content-penn, the same announcement). A request for an archived copy was not pursued (a workaround for the challenge was refused in this workspace). The card's title and snippet stand as its only text."
   },
   "names_operator": "no in the snippet (the journal is the Schoenberg Institute's; the snippet names the Kislak Center)",
   "names_archive": "no (title and snippet)",
   "note": "the announcement that the journal Manuscript Studies becomes fully Open Access; its claim (F15) is quoted from title and snippet. It says nothing of the database.",
   "surfaced_by_T": [
    {
     "slug": "schoenberg-database-of-manuscripts-aio-20261029",
     "card": 7
    }
   ],
   "card_title": "Current and back content of Penn Press journal Manuscript Studies to ...",
   "card_snippet": "Current and back content of Penn Press journal Manuscript Studies to become fully Open Access Kislak Center for Special Collections, Rare Books and Manuscripts,",
   "card_note": "unreachable: snippet only"
  },
  {
   "id": "B8",
   "origin": "card",
   "role": "Overview card 8",
   "n": 8,
   "card": "Semantic Computing Research Group — Schoenberg Database of Manuscripts: https://sdbm.library ...",
   "url": "https://seco.cs.aalto.fi/publications/2020/burrows-et-al-johd-2020.pdf",
   "kind": "Overview card (PDF: the Mapping Manuscript Migrations data paper, Journal of Open Humanities Data, May 2020, forthcoming)",
   "files": {
    "B8.pdf": {
     "path": "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B8.pdf",
     "sha256": "8a5589af1e7cbcefb06aad7421e7340c4e604193f5db6414f4ee85dca50af973"
    },
    "B8.txt": {
     "path": "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B8.txt",
     "sha256": "3179235282af64cb54ca4cfe2900d5d55efd61698ee12bbc3b26c377b253aef8"
    }
   },
   "fetched": {
    "at": "2026-10-29T17:09:52Z",
    "http": 200,
    "url": "https://seco.cs.aalto.fi/publications/2020/burrows-et-al-johd-2020.pdf",
    "raw": "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B8.pdf",
    "raw_sha256": "8a5589af1e7cbcefb06aad7421e7340c4e604193f5db6414f4ee85dca50af973",
    "text": [
     "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B8.txt"
    ],
    "note": "identified by fetching the PDFs the group's MMM project page links (seco.cs.aalto.fi/projects/mmm/) and matching the card's snippet, which occurs verbatim in this one ('● Schoenberg Database of Manuscripts: https://sdbm.library.upenn.edu/ (a relational database containing more than 240,000 records for manuscript observations)'); the first fetch was reset by the network and retried; text by pdftotext"
   },
   "names_operator": "yes ('Schoenberg Institute for Manuscript Studies' in the acknowledgments; Ransom, Thomson, Emery and Fraas among the authors)",
   "names_archive": "no",
   "note": "the MMM knowledge-graph data paper, hosted by Aalto's Semantic Computing Research Group; it is the aggregator's (MMM's) account of the SDBM as a source dataset.",
   "surfaced_by_T": [
    {
     "slug": "schoenberg-database-of-manuscripts-aio-20261029",
     "card": 8
    }
   ],
   "card_title": "Schoenberg Database of Manuscripts: https://sdbm.library ...",
   "card_snippet": "● Schoenberg Database of Manuscripts: https://sdbm.library.upenn.edu/ (a relational database containing more than 240,000 records for manuscript observations) ●...",
   "card_note": "fetched; the page text is ledgered"
  },
  {
   "id": "B9",
   "origin": "own_page",
   "role": "own page the provenance census record cites (the database's home page)",
   "n": null,
   "card": "Schoenberg Database of Manuscripts — home page (sdbm.library.upenn.edu)",
   "url": "https://sdbm.library.upenn.edu/",
   "kind": "own page (home page)",
   "files": {
    "B9.html": {
     "path": "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B9.html",
     "sha256": "9a0fdf8805bd970aba7371e6ca91d6bef572b5f6be01d9ae2bf7c6ab4df31bb8"
    },
    "B9.txt": {
     "path": "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B9.txt",
     "sha256": "0c5b95551a37c6b2222c17733583babad5ec1ed9b77a0c2dc16e03fd8d5e37e2"
    }
   },
   "fetched": {
    "at": "2026-10-29T15:55:59Z",
    "http": 200,
    "url": "https://sdbm.library.upenn.edu/",
    "raw": "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B9.html",
    "raw_sha256": "9a0fdf8805bd970aba7371e6ca91d6bef572b5f6be01d9ae2bf7c6ab4df31bb8",
    "text": [
     "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B9.txt"
    ],
    "note": "copied from the census's saved copy (/home/claude/fleet/provenance-erasure/data/provenance-census/sources/mapping-manuscript-migrations--sdbm.html.gz, gunzipped; .txt copied as saved); census sha256 9a0fdf8805bd970aba7371e6ca91d6bef572b5f6be01d9ae2bf7c6ab4df31bb8, read 2026-10-29, HTTP 200; the gunzipped file's sha256 matches; not refetched"
   },
   "census_source": "mapping-manuscript-migrations--sdbm",
   "surfaced_by_T": "no (not surfaced by T; admitted beside the cards by the operator's ruling of 2026-10-29)",
   "names_operator": "yes ('The Schoenberg Institute for Manuscript Studies' among the related links; 'The SDBM Team')",
   "names_archive": "no",
   "note": "the database's own page; the census's evidence for self_description and license."
  },
  {
   "id": "B10",
   "origin": "own_page",
   "role": "the white paper the provenance census record cites (basis 'operator')",
   "n": null,
   "card": "Mapping Manuscript Migrations — White Paper (Burrows et al., seco.cs.aalto.fi, 2020)",
   "url": "https://seco.cs.aalto.fi/publications/2020/burrows-et-al-mmm-white-paper.pdf",
   "kind": "census-cited operator paper (PDF; host Aalto's Semantic Computing Research Group, not the entity's)",
   "files": {
    "B10.pdf": {
     "path": "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B10.pdf",
     "sha256": "1e28a0193aa6342b7e4c81cd29d0bcf86c3047ea82ff2b34b77235bb0528f38c"
    },
    "B10.txt": {
     "path": "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B10.txt",
     "sha256": "ac78f5486c9ce7302dada422e342f96b3f66dcaca9f849c48c4c3902e96d706b"
    }
   },
   "fetched": {
    "at": "2026-10-29T15:55:58Z",
    "http": 200,
    "url": "https://seco.cs.aalto.fi/publications/2020/burrows-et-al-mmm-white-paper.pdf",
    "raw": "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B10.pdf",
    "raw_sha256": "1e28a0193aa6342b7e4c81cd29d0bcf86c3047ea82ff2b34b77235bb0528f38c",
    "text": [
     "datasets/negative-of-the-negative/v2/intake/schoenberg-database-20261029/B10.txt"
    ],
    "note": "copied from the census's saved copy (sources/mapping-manuscript-migrations--white-paper.html.gz, a gzipped PDF, saved here as B10.pdf; .txt copied as saved); census sha256 1e28a0193aa6342b7e4c81cd29d0bcf86c3047ea82ff2b34b77235bb0528f38c, read 2026-10-29, HTTP 200; the gunzipped file's sha256 matches; not refetched"
   },
   "census_source": "mapping-manuscript-migrations--white-paper",
   "surfaced_by_T": "no (not surfaced by T; admitted beside the cards by the operator's ruling of 2026-10-29)",
   "names_operator": "yes (four authors of the Schoenberg Institute: Doug Emery, Mitch Fraas, Lynn Ransom, Emma Thomson)",
   "names_archive": "no",
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   "origin": "wikipedia",
   "locus": "Wikipedia: title Schoenberg_Database_of_Manuscripts",
   "quote": "raw wikitext (action=raw, redirect=no): HTTP 404 … Wikipedia does not have an article with this exact name.",
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   "origin": "wikipedia",
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   "quote": "Results 1 – 2 of 2 … result 1: Black Hours, Morgan MS 493 … result 2: Sister Carrie",
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 },
 "field_sources": {
  "B1": "Medieval Digital Resources — Schoenberg Database of Manuscripts – Medieval Digital Resources",
  "B2": "Penn Libraries — Digital Projects",
  "B3": "YouTube·Bibliographical Society of America — Introduction to the Schoenberg Database of Manuscripts (SDBM)",
  "B4": "Penn Libraries — Lawrence J. Schoenberg Collection | Penn Libraries",
  "B5": "Penn Libraries — About SIMS",
  "B6": "AWOL - The Ancient World Online — The Ancient World Online: The Schoenberg Database of Manuscripts",
  "B7": "University of Pennsylvania Press — Current and back content of Penn Press journal Manuscript Studies to ...",
  "B8": "Semantic Computing Research Group — Schoenberg Database of Manuscripts: https://sdbm.library ...",
  "B9": "Schoenberg Database of Manuscripts — home page (sdbm.library.upenn.edu)",
  "B10": "Mapping Manuscript Migrations — White Paper (Burrows et al., seco.cs.aalto.fi, 2020)",
  "B11": "Wikipedia — Schoenberg Database of Manuscripts (no article)",
  "B12": "Wikipedia — Schoenberg Institute for Manuscript Studies (no article)"
 }
}