"Bibliographic Services" data service
Short URL: http://www.dnb.de/EN/dataservice
The German National Library offers the following ongoing and retrospective datasets in machine-readable formats via WWW or FTP:
- Deutsche Nationalbibliografie
- New Release Service
- German Union Catalogue of Serials (ZDB)
- Integrated Authority File (GND)
The records are supplied in MARC 21, MARC21-xml, RDFxml (not available for all data) and DNB Casual (for bibliographic data only) formats. A contract must be entered into in order to obtain records in the formats MARC 21 and MARC21-xml. The provision of data in these formats is subject to fees. The Deutsche Nationalbibliografie series and the New Release Service are also available in ISBD format in HTML or PDF versions.
The records are provided, as available, with no guarantee to its being continuous, punctual, error-free or complete, or to its not infringing the rights of third parties (e.g. personal rights and copyright).
- Complete deliveries under CC0 1.0 license
- Download of individual data records
- Test records
- New developments regarding data services and information on format changes
- Further processing of metadata
- Overview of costs
Complete deliveries under CC0 1.0 license
The following records are available free of charge under a CC0 1.0 license (see Terms of purchase and use).
Most of the ZDB (available in German only) holdings records can also be re-used free of charge. The actual license status is indicated in the records themselves.
|Full copy |
(updated: October 2014)
|Provision (update)||Formats||Number of records / size of data (zipped)|
|DNB bibliographic records |
(up to and including bibliographical entry 2012)
|February||MARC 21||approx. 12.4 million / approx. 2.6 GB|
|DNB bibliographic records*||February, June, October||RDFxml & |
|approx. 11.3 million / approx. 1.1 GB|
|Integrated Authority File (GND)||February, June, October||MARC 21||approx. 10.5 million / approx. 1.1 GB|
|RDFxml & |
|approx. 0.7 GB|
|ZDB bibliographic records||March and September||MARC 21||approx. 1.7 million / approx. 400 MB|
|RDFxml & |
|approx. 160 MB|
|ZDB holdings records||March and September||MARC 21||approx. 13.6 million / approx. 995 MB|
*Limited to bibliographic records for which an RDFxml version is available.
Please mail Data Services for the relevant log-in data to obtain a complete delivery in MARC 21 or MARC21-xml format, stating the required option.
The basic data holdings of the bibliographic records of the DNB and the ZDB plus the Integrated Authority File (GND) are available for download (available in German only) free of charge in RDFxml and RDF/turtle format under CC0 1.0 licence as part of the Linked Data Service.
The data is updated using the chargeable weekly data service provided via the WWW or FTP server (MARC 21 and XML formats) or via the OAI interface (XML format only).
Download of individual data records
Individual data records may also be obtained:
- via SRU-Interface
- via the Data Shop (available in German only)
- via ISBN selection (on the basis of a structured ISBN list)
New developments regarding data services and information on format changes
Further processing of metadata
Overview of costs
Last update: 21.1.2015