glam/reports/entity_extraction_stats.md

# Entity Extraction Statistics Report

**Generated**: 2025-12-13 18:49:19

## Summary

| Metric | Value |
|--------|-------|
| Total custodian files scanned | 1,865 |
| Files with validated_entity_claims | 1,291 (69.2%) |
| Total entities extracted | 11,723 |
| Unique entity names | 9,538 |
| Entities appearing in multiple files | 1,210 |
| Average confidence score | 0.954 |
| Unique entity types | 135 |

## Entity Types Breakdown

| Type | Label | Count | % |
|------|-------|-------|---|
| `APP.URL` | URL/Website | 2,810 | 24.0% |
| `GRP.HER` | Heritage institution | 1,383 | 11.8% |
| `TOP.SET` | Settlement/City | 1,187 | 10.1% |
| `TMP.DAB` | Date (absolute) | 636 | 5.4% |
| `TOP.ADR` | Address | 368 | 3.1% |
| `APP.TIT` | Title (document) | 338 | 2.9% |
| `AGT.PER` | Person | 324 | 2.8% |
| `GRP.ASS` | Association/Society | 322 | 2.7% |
| `GRP.GOV` | Government body | 278 | 2.4% |
| `APP.TTL` | Title (general) | 253 | 2.2% |
| `WRK.WEB` | Website/Web resource | 251 | 2.1% |
| `THG.CON` | Contact info | 239 | 2.0% |
| `APP.EXH` | Exhibition name | 237 | 2.0% |
| `TOP.REG` | Region/Province | 223 | 1.9% |
| `TMP.OPH` | Opening hours | 198 | 1.7% |
| `TOP.CTY` | Country | 160 | 1.4% |
| `THG.LNG` | Language | 154 | 1.3% |
| `GRP.COR` | Corporation | 137 | 1.2% |
| `TOP.BLD` | Building | 137 | 1.2% |
| `THG.ART` | Artifact/Object | 121 | 1.0% |
| `WRK.COL` | Collection (as work) | 117 | 1.0% |
| `THG.EVT` | Event | 113 | 1.0% |
| `WRK.TXT` | Text/Document | 90 | 0.8% |
| `QTY.CNT` | Count/Number | 80 | 0.7% |
| `THG.PHO` | Photograph | 77 | 0.7% |
| `APP.COL` | Collection name | 65 | 0.6% |
| `GRP.EDU` | Educational institution | 64 | 0.5% |
| `TMP.DRL` | Date range/Duration | 58 | 0.5% |
| `QTY.CUR` | Currency/Price | 57 | 0.5% |
| `ROL.POS` | ROL.POS | 56 | 0.5% |
| `GRP.UNT` | GRP.UNT | 56 | 0.5% |
| `THG.DOC` | THG.DOC | 53 | 0.5% |
| `WRK.URL` | WRK.URL | 52 | 0.4% |
| `TMP.TAB` | TMP.TAB | 52 | 0.4% |
| `TMP.RNG` | TMP.RNG | 50 | 0.4% |
| `WRK.VIS` | WRK.VIS | 49 | 0.4% |
| `TMP.EXP` | TMP.EXP | 47 | 0.4% |
| `THG.OBJ` | THG.OBJ | 46 | 0.4% |
| `THG.BLD` | THG.BLD | 45 | 0.4% |
| `APP.NAM` | APP.NAM | 40 | 0.3% |
| `GEO.PNT` | GEO.PNT | 40 | 0.3% |
| `TOP.NAT` | TOP.NAT | 37 | 0.3% |
| `ROL.OCC` | ROL.OCC | 33 | 0.3% |
| `WRK.EXH` | WRK.EXH | 30 | 0.3% |
| `THG.AFT` | THG.AFT | 28 | 0.2% |
| `TMP.CEN` | TMP.CEN | 28 | 0.2% |
| `GRP.INF` | GRP.INF | 27 | 0.2% |
| `unknown` | unknown | 27 | 0.2% |
| `GRP.HIS` | GRP.HIS | 24 | 0.2% |
| `APP.WKD` | APP.WKD | 18 | 0.2% |
| `GRP.REL` | GRP.REL | 18 | 0.2% |
| `TOP.HIS` | TOP.HIS | 18 | 0.2% |
| `GRP.PAR` | GRP.PAR | 18 | 0.2% |
| `TOP.LEG` | TOP.LEG | 17 | 0.1% |
| `APP.PNM` | APP.PNM | 14 | 0.1% |
| `APP.WEB` | APP.WEB | 14 | 0.1% |
| `WRK.SER` | WRK.SER | 14 | 0.1% |
| `TMP.ERA` | TMP.ERA | 13 | 0.1% |
| `WRK.DOC` | WRK.DOC | 13 | 0.1% |
| `TMP.DUR` | TMP.DUR | 12 | 0.1% |
| `APP.SOC` | APP.SOC | 11 | 0.1% |
| `QTY.MSR` | Measurement | 11 | 0.1% |
| `APP.EMAIL` | APP.EMAIL | 11 | 0.1% |
| `WRK.TIT` | WRK.TIT | 10 | 0.1% |
| `WRK.CIT` | WRK.CIT | 9 | 0.1% |
| `TMP.SET` | TMP.SET | 9 | 0.1% |
| `THG.TAX` | THG.TAX | 9 | 0.1% |
| `GRP.COL` | GRP.COL | 8 | 0.1% |
| `WRK.ARC` | WRK.ARC | 8 | 0.1% |
| `APP.PHO` | APP.PHO | 7 | 0.1% |
| `APP.TEL` | APP.TEL | 7 | 0.1% |
| `AGT.FIC` | AGT.FIC | 7 | 0.1% |
| `APP.AWD` | APP.AWD | 7 | 0.1% |
| `WRK.MUS` | WRK.MUS | 6 | 0.1% |
| `WRK.PHO` | WRK.PHO | 6 | 0.1% |
| `AGT.COL` | AGT.COL | 6 | 0.1% |
| `WRK.CIN` | WRK.CIN | 6 | 0.1% |
| `QTY.DUR` | QTY.DUR | 5 | 0.0% |
| `TMP.DAT` | TMP.DAT | 5 | 0.0% |
| `QTY.ORD` | QTY.ORD | 4 | 0.0% |
| `WRK.SOC` | WRK.SOC | 4 | 0.0% |
| `TOP.IAD` | TOP.IAD | 4 | 0.0% |
| `THG.COL` | THG.COL | 4 | 0.0% |
| `APP.KVK` | APP.KVK | 4 | 0.0% |
| `AGT.STF` | AGT.STF | 4 | 0.0% |
| `ROL.NOB` | ROL.NOB | 4 | 0.0% |
| `WRK.OBJ` | WRK.OBJ | 4 | 0.0% |
| `ROL.TTL` | ROL.TTL | 3 | 0.0% |
| `PAR` | PAR | 3 | 0.0% |
| `NAV` | NAV | 3 | 0.0% |
| `THG.MAT` | THG.MAT | 3 | 0.0% |
| `WRK.MAN` | WRK.MAN | 3 | 0.0% |
| `WRK.EML` | WRK.EML | 2 | 0.0% |
| `APP.ISBN` | APP.ISBN | 2 | 0.0% |
| `WRK.WRK` | WRK.WRK | 2 | 0.0% |
| `THG.ARC` | THG.ARC | 2 | 0.0% |
| `APP.EML` | APP.EML | 2 | 0.0% |
| `HDR` | HDR | 2 | 0.0% |
| `APP.ISL` | APP.ISL | 2 | 0.0% |
| `WRK.EVT` | WRK.EVT | 2 | 0.0% |
| `DOC.EVT` | DOC.EVT | 2 | 0.0% |
| `WRK.PER` | WRK.PER | 2 | 0.0% |
| `AGT.ART` | AGT.ART | 2 | 0.0% |
| `WRK.PUB` | WRK.PUB | 2 | 0.0% |
| `TMP.TIM` | TMP.TIM | 2 | 0.0% |
| `AGT.MYT` | AGT.MYT | 2 | 0.0% |
| `WRK.MSS` | WRK.MSS | 2 | 0.0% |
| `WRK.ORG` | WRK.ORG | 2 | 0.0% |
| `THG.FIC` | THG.FIC | 2 | 0.0% |
| `APP.WRK` | APP.WRK | 2 | 0.0% |
| `WRK.ART` | WRK.ART | 2 | 0.0% |
| `QTY.PCT` | QTY.PCT | 1 | 0.0% |
| `GRP.MIL` | GRP.MIL | 1 | 0.0% |
| `TOP.OPH` | TOP.OPH | 1 | 0.0% |
| `TMP.TRL` | TMP.TRL | 1 | 0.0% |
| `WRK.TTL` | WRK.TTL | 1 | 0.0% |
| `APP.DOI` | APP.DOI | 1 | 0.0% |
| `APP.ADR` | APP.ADR | 1 | 0.0% |
| `THG.SPC` | THG.SPC | 1 | 0.0% |
| `QTY.TRL` | QTY.TRL | 1 | 0.0% |
| `THG.NAT` | THG.NAT | 1 | 0.0% |
| `QTY.RNG` | QTY.RNG | 1 | 0.0% |
| `THG.WEB` | THG.WEB | 1 | 0.0% |
| `APP.ACR` | APP.ACR | 1 | 0.0% |
| `THG.TXT` | THG.TXT | 1 | 0.0% |
| `APP.ARC` | APP.ARC | 1 | 0.0% |
| `WRK.PRO` | WRK.PRO | 1 | 0.0% |
| `AGT.GRP` | AGT.GRP | 1 | 0.0% |
| `EVT.EVT` | EVT.EVT | 1 | 0.0% |
| `APP.PHONE` | APP.PHONE | 1 | 0.0% |
| `WRK.BLD` | WRK.BLD | 1 | 0.0% |
| `AGT.ANI` | AGT.ANI | 1 | 0.0% |
| `APP.CUR` | APP.CUR | 1 | 0.0% |
| `THG.VIS` | THG.VIS | 1 | 0.0% |
| `ROL.HON` | ROL.HON | 1 | 0.0% |

## Entity Type Categories

| Category | Label | Count | % |
|----------|-------|-------|---|
| `APP` | Appellations (names, titles) | 3,850 | 32.8% |
| `GRP` | Groups (organizations) | 2,336 | 19.9% |
| `TOP` | Toponyms (places) | 2,152 | 18.4% |
| `TMP` | Temporal (dates, times) | 1,111 | 9.5% |
| `THG` | Things (objects, concepts) | 901 | 7.7% |
| `WRK` | Works (documents, collections) | 691 | 5.9% |
| `AGT` | Agents (people) | 347 | 3.0% |
| `QTY` | Quantities (numbers, measurements) | 160 | 1.4% |
| `ROL` | ROL | 97 | 0.8% |
| `GEO` | GEO | 40 | 0.3% |
| `unknown` | unknown | 27 | 0.2% |
| `PAR` | PAR | 3 | 0.0% |
| `NAV` | NAV | 3 | 0.0% |
| `HDR` | HDR | 2 | 0.0% |
| `DOC` | DOC | 2 | 0.0% |
| `EVT` | EVT | 1 | 0.0% |

## Top 50 Most Common Entities

Entities appearing across multiple custodian files:

| Entity | Type | Occurrences |
|--------|------|-------------|
| Nederland | `THG.LNG, TOP.CTY, TOP.NAT, TOP.REG, TOP.SET` | 86 |
| Nederlands | `THG.LNG` | 43 |
| Amsterdam | `TOP.SET` | 42 |
| Dutch | `THG.LNG` | 36 |
| Netherlands | `TOP.CTY, TOP.REG, TOP.SET` | 24 |
| Groningen | `TOP.CTY, TOP.REG, TOP.SET` | 21 |
| English | `THG.LNG` | 20 |
| Den Haag | `TOP.SET` | 17 |
| Heel Nederland Leest | `APP.EXH, APP.TTL, GRP.HIS, THG.CON, THG.EVT, WRK.EXH, WRK.SER` | 15 |
| Zwolle | `TOP.ADR, TOP.SET` | 15 |
| collectie | `APP.COL, THG.COL, THG.CON, WRK.COL` | 13 |
| Rotterdam | `TOP.CTY, TOP.REG, TOP.SET` | 13 |
| Johan Fretz | `AGT.PER` | 13 |
| Nederlandse | `THG.LNG, TOP.CTY` | 12 |
| Bibliotheek | `APP.COL, GRP.EDU, GRP.HER, THG.CON, TOP.BLD, WRK.COL, WRK.WEB` | 12 |
| Utrecht | `TOP.CTY, TOP.REG, TOP.SET` | 12 |
| Roermond | `TOP.SET` | 11 |
| Overijssel | `GRP.GOV, TOP.REG` | 11 |
| Deventer | `TOP.SET` | 11 |
| Onder de paramariboom | `APP.TIT, WRK.TTL, WRK.TXT` | 11 |
| Beeldbank | `APP.COL, WRK.COL, WRK.WEB` | 10 |
| Friesland | `TOP.CTY, TOP.REG` | 10 |
| Gemeentearchief | `APP.TIT, APP.TTL, GRP.HER, WRK.WEB` | 10 |
| Twente | `TOP.REG, TOP.SET` | 10 |
| Leiden | `TOP.REG, TOP.SET` | 10 |
| Noord-Holland | `TOP.CTY, TOP.REG` | 9 |
| Tweede Wereldoorlog | `THG.CON, THG.EVT, TMP.ERA` | 9 |
| Geldersch Landschap en Kasteelen | `GRP.HER` | 9 |
| Collectie | `APP.COL, APP.EXH, WRK.COL, WRK.SER` | 9 |
| Nijmegen | `TOP.SET` | 8 |
| Limburg | `TOP.CTY, TOP.REG, TOP.SET` | 8 |
| Enschede | `TOP.SET` | 8 |
| Zuid-Holland | `GRP.GOV, TOP.REG` | 8 |
| Brabant | `TOP.CTY, TOP.REG` | 8 |
| Google | `GRP.COR, GRP.GOV` | 7 |
| Heerlen | `TOP.SET` | 7 |
| Maastricht | `TOP.SET` | 7 |
| Ministerie van Algemene Zaken | `GRP.GOV, GRP.PAR` | 7 |
| Kasteel Doorwerth | `APP.TTL, GRP.HER, THG.AFT, TOP.BLD` | 7 |
| Delft | `TOP.REG, TOP.SET` | 7 |
| Gelderland | `GRP.GOV, TOP.REG, TOP.SET` | 7 |
| Schiedam | `TOP.SET` | 6 |
| Tilburg | `TOP.SET` | 6 |
| Amelander Musea | `GRP.HER` | 6 |
| Alkmaar | `TOP.SET` | 6 |
| Franeker | `TOP.SET` | 6 |
| Ommen | `TOP.SET` | 6 |
| Zutphen | `TOP.SET` | 6 |
| Haarlem | `TOP.REG, TOP.SET` | 6 |
| https://api.w.org/ | `APP.URL` | 6 |

## Duplicate Entity Analysis

Entities that appear in 5+ different custodian files (candidates for entity linking):

| Entity | Files | Primary Type |
|--------|-------|--------------|
| Nederland | 86 | `TOP.CTY` |
| Nederlands | 43 | `THG.LNG` |
| Amsterdam | 42 | `TOP.SET` |
| Dutch | 36 | `THG.LNG` |
| Netherlands | 24 | `TOP.CTY` |
| Groningen | 21 | `TOP.SET` |
| English | 20 | `THG.LNG` |
| Den Haag | 17 | `TOP.SET` |
| Heel Nederland Leest | 15 | `APP.EXH` |
| Zwolle | 15 | `TOP.SET` |
| collectie | 13 | `WRK.COL` |
| Rotterdam | 13 | `TOP.SET` |
| Johan Fretz | 13 | `AGT.PER` |
| Nederlandse | 12 | `TOP.CTY` |
| Bibliotheek | 12 | `GRP.HER` |
| Utrecht | 12 | `TOP.SET` |
| Roermond | 11 | `TOP.SET` |
| Overijssel | 11 | `TOP.REG` |
| Deventer | 11 | `TOP.SET` |
| Onder de paramariboom | 11 | `WRK.TXT` |
| Beeldbank | 10 | `WRK.COL` |
| Friesland | 10 | `TOP.REG` |
| Gemeentearchief | 10 | `GRP.HER` |
| Twente | 10 | `TOP.REG` |
| Leiden | 10 | `TOP.SET` |
| Noord-Holland | 9 | `TOP.REG` |
| Tweede Wereldoorlog | 9 | `TMP.ERA` |
| Geldersch Landschap en Kasteelen | 9 | `GRP.HER` |
| Collectie | 9 | `WRK.COL` |
| Nijmegen | 8 | `TOP.SET` |
| Limburg | 8 | `TOP.REG` |
| Enschede | 8 | `TOP.SET` |
| Zuid-Holland | 8 | `TOP.REG` |
| Brabant | 8 | `TOP.REG` |
| Google | 7 | `GRP.COR` |
| Heerlen | 7 | `TOP.SET` |
| Maastricht | 7 | `TOP.SET` |
| Ministerie van Algemene Zaken | 7 | `GRP.GOV` |
| Kasteel Doorwerth | 7 | `GRP.HER` |
| Delft | 7 | `TOP.SET` |
| Gelderland | 7 | `TOP.REG` |
| Schiedam | 6 | `TOP.SET` |
| Tilburg | 6 | `TOP.SET` |
| Amelander Musea | 6 | `GRP.HER` |
| Alkmaar | 6 | `TOP.SET` |
| Franeker | 6 | `TOP.SET` |
| Ommen | 6 | `TOP.SET` |
| Zutphen | 6 | `TOP.SET` |
| Haarlem | 6 | `TOP.SET` |
| https://api.w.org/ | 6 | `APP.URL` |
| Archieven | 6 | `WRK.COL` |
| Maassluis | 6 | `TOP.SET` |
| Dordrecht | 6 | `TOP.SET` |
| Arnhem | 6 | `TOP.SET` |
| Government of the Netherlands | 6 | `GRP.GOV` |
| Leeuwarden | 6 | `TOP.SET` |
| foto's | 6 | `THG.PHO` |
| Apeldoorn | 6 | `TOP.SET` |
| Onder de Paramariboom | 6 | `WRK.TXT` |
| 1 november | 6 | `TMP.DAB` |
| november 2025 | 6 | `TMP.DRL` |
| Zeeland | 6 | `TOP.SET` |
| Sinterklaas | 5 | `APP.EXH` |
| https://amelandermusea.nl/ | 5 | `APP.URL` |
| Kampen | 5 | `TOP.SET` |
| Breda | 5 | `TOP.SET` |
| archieven | 5 | `WRK.COL` |
| Hengelo | 5 | `TOP.SET` |
| Midden-Groningen | 5 | `TOP.REG` |
| Erfgoed 's-Hertogenbosch | 5 | `GRP.HER` |
| Amersfoort | 5 | `TOP.SET` |
| Eindhoven | 5 | `TOP.SET` |
| Hoorn | 5 | `TOP.SET` |
| Dalfsen | 5 | `TOP.SET` |
| Drenthe | 5 | `TOP.REG` |
| Oirschot | 5 | `TOP.SET` |
| https://www.facebook.com/GelderschLandschapKasteelen | 5 | `APP.URL` |
| beeldbank | 5 | `WRK.VIS` |
| Bollenstreek | 5 | `TOP.REG` |
| Medemblik | 5 | `TOP.SET` |
| Wageningen | 5 | `TOP.SET` |
| Rijksuniversiteit Groningen | 5 | `GRP.EDU` |
| Texel | 5 | `TOP.SET` |
| Provincie Overijssel | 5 | `GRP.GOV` |
| Collectie Overijssel | 5 | `GRP.HER` |
| boeken | 5 | `THG.DOC` |
| Flevoland | 5 | `TOP.REG` |
| Afspraak maken | 5 | `APP.TIT` |
| Papiamento | 5 | `THG.LNG` |
| Archief | 5 | `APP.TIT` |
| Venlo | 5 | `TOP.SET` |

## Heritage Institution Entities (GRP.HER)

These are extracted mentions of heritage institutions:

| Institution Name | Mentions | Files |
|------------------|----------|-------|
| Bibliotheek | 5 | NL-NH-AMS-S-BNW, NL-GR-GRO-L-GFB, NL-UT-VEE-L-BVC (+2 more) |
| Gemeentearchief | 5 | NL-UT-ZEI-A-GAZ, NL-OV-STE-A-GAS-, NL-GE-TWE-A-GAV (+2 more) |
| Geldersch Landschap en Kasteelen | 9 | NL-GE-VAA-M-KC, NL-GE-ROZ-M-KR, NL-GE-DOO-M-KD- (+6 more) |
| Kasteel Doorwerth | 2 | NL-GE-DOO-M-KD-kasteel_doorwerth, NL-GE-DOO-M-KD- |
| Amelander Musea | 6 | NL-FR-HOL-M-MS, NL-FR-NES-B-NCA, NL-FR-BUR-M-LJMS (+3 more) |
| Erfgoed 's-Hertogenbosch | 3 | NL-NB-XSX-A-SAH-, NL-NB-XSX-A-SAH-stadsarchief_s_hertogenbos |
| Collectie Overijssel | 5 | NL-OV-OMM-A-GAO, NL-OV-ZWO-A-CO-collectie_overijssel, NL-OV- |
| Landgoed Groot ter Horne | 1 | NL-FR-FRA-A-GF |
| 'Musea Zutphen: Stedelijk Museum Zutphen & Museum  | 2 | NL-GE-ZUT-M-MZ-, NL-GE-ZUT-M-MZ-musea_zutphen |
| bibliotheek | 1 | NL-GR-VEE-A-V |
| OudOmmen.nl | 2 | NL-OV-OMM-D-WASO, NL-OV-OMM-S-O |
| Geheugen van Zeist | 1 | NL-UT-ZEI-D-GAZ |
| museum | 2 | NL-ZE-TER-M-SMS, NL-GR-UIT-M-MBB |
| SAMH | 3 | NL-ZH-AAD-A-SARM, NL-ZH-GOU-D-OA, NL-ZH-GOU-A-SAMH |
| Limburgs Erfgoednet | 3 | NL-LI-GRA-S-GB, NL-LI-NIE-S-HVN, NL-LI-HOR-S-BKSL |
| Huis voor de Kunsten Limburg | 2 | NL-LI-GRA-S-GB, NL-LI-HOR-S-BKSL |
| Archeologie | 2 | NL-GE-ZUT-A-ECZ, NL-GE-ZUT-A-RAZECZ |
| Rijksmuseum | 4 | NL-ZH-DHA-N-CCF, NL-NH-AMS-S-KOG, NL-LI-ROE-M-CHRIMAC (+1 mo |
| Stichting Heemkunde Tubbergen | 2 | NL-OV-TUB-S-HT-heemkunde_tubbergen, NL-OV-TUB-S-HT- |
| Fries Verzetsmuseum | 2 | NL-FR-LEE-M-FM-fries_museum, NL-FR-LEE-M-FM- |
| Staphorst | 1 | NL-OV-STE-L-BS |
| Regimentsverzameling | 1 | NL-NB-OIR-M-MBGPI |
| Zijper Museum | 3 | NL-NH-XZX-S-HVZ, NL-NH-SCH-M-ZO-zijper_oudheidskamer, NL-NH- |
| Joods Cultureel Kwartier | 3 | NL-NH-AMS-M-JM, NL-NH-AMS-U-JM, NL-NH-AMS-M-JCK |
| Streekarchief Midden-Holland | 3 | NL-ZH-AAD-A-SARM, NL-ZH-GOU-D-OA, NL-ZH-GOU-A-SAMH |
| Kunstwerk! | 2 | NL-GE-ZEV-M-LM, NL-GE-ZEV-L-KB |
| Historisch Centrum Limburg | 3 | NL-LI-MAA-A-HCL, NL-LI-HEE-A-HCLLH, NL-LI-HEE-A-GAH |
| ADNG Erfgoedcentrum voor de Nederlandse Gedragswet | 1 | NL-GR-GRO-A-ADCNG |
| Centrale Bibliotheek | 3 | NL-ZH-ROT-L-CBR, NL-ZH-ROT-L-BR, NL-GE-EDE-L-CE |
| West-Brabants Archief | 3 | NL-NB-BOZ-R-WBA, NL-NB-BOZ-A-WBA-, NL-NB-BOZ-A-WBA-west_brab |
| Biblionet Groningen | 2 | NL-GR-GRO-L-BG-biblionet_groningen, NL-GR-GRO-L-BG- |
| RegioArchief Sittard-Geleen | 3 | NL-LI-SIT-A-RASG-, NL-GE-AAL-A-EHDC, NL-LI-SIT-A-RASG-regioa |
| Stadsmuseum Veenendaal | 3 | NL-UT-VEE-M-MV-, NL-UT-VEE-L-BVC, NL-UT-VEE-M-MV-museum_veen |
| Openbare Bibliotheek Amsterdam | 2 | NL-NH-AMS-L-OO, NL-NH-AMS-L-OBA |
| Zuiderwaterlinie | 1 | NL-NB-GRA-S-Z |
| Rijksdienst voor het Cultureel Erfgoed | 1 | NL-UT-AME-O-RDCE |
| Archieven.nl | 3 | NL-NB-BOZ-A-WBA-, NL-NB-BOZ-A-WBA-west_brabants_archief, NL- |
| Nationaal Militair Museum | 2 | NL-UT-SOE-S-NMM, NL-GE-BUR-M-MM |
| Zwartewaterland | 1 | NL-OV-STE-L-BS |
| Zeeuws Archief | 3 | NL-ZE-VLI-A-GAV, NL-ZE-ZIE-A-GASD, NL-ZE-MID-A-ZA |
| Cubiss | 1 | NL-NB-TIL-L-C |
| Stichting v/h Rotterdamsche Tramweg Maatschappij R | 1 | NL-ZH-ROT-M-VR |
| Belmonte Arboretum | 1 | NL-GE-WAG-M-BA |
| Cruquius Museum | 2 | NL-NH-CRU-M-CM, NL-NH-CRU-M-C |
| Forum | 1 | NL-GR-GRO-L-GFB |
| Bibliotheek Heiloo | 1 | NL-NH-HEI-L-BHBH |
| Het Indisch Herinneringscentrum | 1 | NL-ZH-DHA-M-IHC |
| Historisch Archief Midden-Groningen | 2 | NL-GR-HOO-A-HAMG, NL-GR-HOO-O-MG |
| de Zoomerij Rheden | 1 | NL-GE-DIE-L-ZDBC |
| Stichting Brigade en Garde Prinses Irene | 1 | NL-NB-OIR-M-MBGPI |