This dataset is included in the NDE Dataset Register
What data are there in this dataset?
The open data consists of the metadata of 2,039,773 historical documents from Collection Overijssel, containing 7,253,232 historical personal references. The pie chart shows the number of person entries per source type.
How can the dataset be downloaded?
Harvesting (A2A/XML)
The Collection Overijssel historical document metadata dataset is provided as an OAI-PMH metadata feed. This feed is an implementation of an OAI-PMH data provider, based on OAI-PMH 2.0. The metadata is structured according to the Archives 2 All (A2A) model.
The URLs to harvests this dataset (set = hco):
Download (A2A/XML)
The dataset can be downloaded in A2A / XML format as a compressed file (.tar.gz):
- DownloadThis file with 2,039,773 records is created on August 23, 2026, the file size is 7 GB (uncompressed) / 576 MB (compressed).
Download (linked data in 'a2a vocabulaire')
The dataset can be downloaded in N-triples format as a compressed file (.ttl.gz.):
- DownloadThis file was created on August 23, 2026 and has a file size of 2 GB (compressed).
Download (CSV)
The dataset can be downloaded in parts in CSV format as a compressed file (.csv.gz):
- DownloadFile with data of source type Births. This file with 844,258 lines was created on August 23, 2026, the file size is 554 MB (uncompressed) / 98 MB (compressed).
- DownloadFile with data of source type Marriages. This file with 288,628 lines was created on August 23, 2026, the file size is 243 MB (uncompressed) / 45 MB (compressed).
- DownloadFile with data of source type Deaths. This file with 905,689 lines was created on August 23, 2026, the file size is 629 MB (uncompressed) / 108 MB (compressed).
- DownloadFile with data of source type Funerals . This file with 1,198 lines was created on August 23, 2026, the file size is 749 KB (uncompressed) / 80 KB (compressed).
License
This dataset is offered by Open Archives under a Creative Commons 0 license (Public Domain Dedication). This means that you can copy, modify, distribute and execute the work, even for commercial purposes, without asking permission. It is appreciated if you contact Open Archives if you use this dataset, maybe we can do even more for each other!
The dataset can contain URLs to images and images of third-party viewers, the CC0-license does not apply to those items! Check the website of the relevant archive which license is linked to that material.
For questions and comments about this dataset, please contact Open Archives.
Datasetbeschrijving in JSON-LD
{
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"@type": "Dataset",
"@id": "https://www.openarchieven.nl/id/dataset_hco",
"identifier": "https://www.openarchieven.nl/id/dataset_hco",
"name": [
{
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"@language": "nl"
},
{
"@value": "Dataset genealogical metadata Collection Overijssel via Open Archives",
"@language": "en"
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"about": [
{
"@id": "https://terms.personsincontext.org/ThesaurusHistorischePersoonsgegevens/551"
},
{
"@id": "https://terms.personsincontext.org/ThesaurusHistorischePersoonsgegevens/552"
},
{
"@id": "https://terms.personsincontext.org/ThesaurusHistorischePersoonsgegevens/553"
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{
"@id": "https://terms.personsincontext.org/ThesaurusHistorischePersoonsgegevens/526"
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"keywords": [
{
"@value": "Historische persoonsvermeldingen",
"@language": "nl"
},
{
"@value": "Genealogie",
"@language": "nl"
},
{
"@value": "Geboorten",
"@language": "nl"
},
{
"@value": "Huwelijken",
"@language": "nl"
},
{
"@value": "Overlijdens",
"@language": "nl"
},
{
"@value": "DTB Begraven",
"@language": "nl"
},
{
"@value": "Historical personal data",
"@language": "en"
},
{
"@value": "Genealogy",
"@language": "en"
},
{
"@value": "Births",
"@language": "en"
},
{
"@value": "Marriages",
"@language": "en"
},
{
"@value": "Deaths",
"@language": "en"
},
{
"@value": "Funerals",
"@language": "en"
}
],
"description": [
{
"@value": "De open data bestaat uit de metadata van 2.039.773 akten van Collectie Overijssel, met daarop 7.253.232 historische persoonsvermeldingen. De brontypes omvatten geboorten, huwelijken, overlijdens, dtb begraven. Deze dataset kan doorzocht worden via https://www.openarchieven.nl/hco",
"@language": "nl"
},
{
"@value": "The open data consists of metadata from 2,039,773 records of Collection Overijssel, with 7,253,232 historical person observations. The source types included births, marriages, deaths, funerals. This dataset can be searched via https://www.openarchieven.nl/hco",
"@language": "en"
}
],
"license": "https://creativecommons.org/publicdomain/zero/1.0/",
"publisher": {
"@id": "https://www.openarchieven.nl/",
"@type": "Organization",
"name": [
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"@value": "Open Archieven"
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"logo": "https://www.openarchieven.nl/assets/img/oa/logo200x200-nl.png",
"identifier": "NL-GdOA",
"contactPoint": {
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"@type": "ContactPoint",
"name": [
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"@value": "Databeheerder Open Archieven",
"@language": "nl"
},
{
"@value": "Datamanager Open Archives",
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}
],
"email": "genealogie@coret.org"
}
},
"creator": {
"@id": "https://www.historischcentrumoverijssel.nl/",
"@type": "Organization",
"name": [
{
"@value": "Collection Overijssel",
"@language": "nl"
},
{
"@value": "Collection Overijssel",
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"contactPoint": {
"name": [
{
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"@language": "nl"
},
{
"@value": "Services Collection Overijssel",
"@language": "en"
}
],
"telephone": "+31 85 - 488 50 00",
"email": "contacthco@historischcentrumoverijssel.nl"
},
"address": {
"@type": "PostalAddress",
"addressLocality": "Zwolle",
"postalCode": "8021 WX",
"streetAddress": "Van Wevelinkhovenstraat",
"addressCountry": "Nederland"
}
},
"spatialCoverage": [
{
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},
{
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}
],
"temporalCoverage": "1811/1974",
"includedInDataCatalog": {
"@id": "https://www.openarchieven.nl/id/datacatalog"
},
"dateCreated": {
"@value": "2024-01-17",
"@type": "http://www.w3.org/2001/XMLSchema#date"
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"dateModified": {
"@value": "2026-08-23",
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"datePublished": {
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}
}