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Open Data

Publishing Databases Produced By the National Library of the Czech Republic Under a CC0 License (a press release, April 20th, 2022, PDF, 210 KB, in Czech only) >>

The National Library of the Czech Republic currently provides the following resources as open data:

data set


for download

via OAI-PMH *)

Czech National Bibliography


(approx. 5 GB) the complete set records created/updated from ... to

Dublin Core complete set records created/updated from ... to


National Authority File



National Authority File
(all records)
(approx. 2.2 GB)


Personal Name Authorities
(approx. 1.9 GB)


Corporate Name Authorities
(approx. 330 MB)


Topical Authorities
(approx. 100 MB)


Geographic Authorities
(approx. 90 MB)


Chronological Authorities
(approx. 700 kB)


Genre/Form Authorities
(approx. 3.7 MB)


(approx. 1.1 MB)


Uniform Titles
(approx. 70 MB) the complete set only records created/updated from ... to


Directory of Libraries & Information Centers in the Czech Republic


(approx. 27 MB)


Description of database structure (in Czech only)

*) Aleph's OAI-PMH implementation follows the specifications available from with a single exception – individual records cannot be retrieved using the "GetRecord" function.

Files for download are generated from current data once a week (each Monday).

Although the datasets are available under a CC0 license, you can consider mentioning the National Library of the Czech Republic as a source of data for your project.

If you wish to learn more about our activities related to opening data, feel free to have a look at a list of publications and presentations on this topic and an overview of our collaboration with Wikidata.

Please also consider sharing with us – via a webform – how you have used the data and provide your feedback.

Contact Person:
Mgr. Lenka Maixnerová
Deputy Director for Library Collections and Services
+420 770 197 300