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"Bibliographic Services" data service

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The German National Library offers the following data in machine-readable form via the WWW- or FTP-server:

The data is supplied in MARC 21, MARC21-xml, RDFxml (not available for all data) formats. A contract must be concluded to obtain charged data. The Deutsche Nationalbibliografie series and the New Release Service are also available in ISBD format (in HTML or PDF versions).

Complete deliveries

The following packages are provided free of charge under CC0 licence via the WWW server.

Authority data

The basic data stock of the GND (Integrated Authority File) is available in MARC 21 and MARC21-xml formats. The file is updated in April and October each year.

Bibliographic data

The complete file including all free bibliographic data is available in MARC 21 format. The bibliographic data up to the 2012 bibliography year are currently offered free of charge under CC0 licence. The data are updated in the first quarter of each year when the latest bibliographic year is added.


To obtain the relevant access details, please mail our data services department , specifying the required format.

Linked Data

The basic data stock of the bibliographic data and the Integrated Authority File (GND) are available free of charge in RDFxml or RDF/turtle format under CC0 licence as part of the Linked Data Service.

Continuously updated via OAI

The OAI interface can be used for continuous updating of the data.

Purchase of individual data records

Individual data records can be transferred retrospectively from external sources:


Overview of costs

Costs of bibliographic services as of 1 July 2014
Overview of ZDB services and costs for libraries (available only in German)
Costs of WebDewey German (available only in German)

Last update: 1.7.2014

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