A wrapper for the Deutsche Nationalbibliothek (German National Library) API, available at http://www.dnb.de. The German National Library is the German central archival library, collecting, archiving, bibliographically classifying all German and German-language publications, foreign publications about Germany, translations of German works, and the works of German-speaking emigrants published abroad between 1933 and 1945.
All bibliographic data of the German National Library are provided free of charge and can be freely re-used under "Creative Commons Zero" (CC0 1.0) terms. The metadata and online interfaces are provided with no guarantee of their being continuous, punctual, error-free or complete, or of their not infringing the rights of third parties (e.g. personal rights and copyright).
About the DNB: https://www.dnb.de/EN/Ueber-uns/ueberUns_node.html; about the interface: https://www.dnb.de/EN/Professionell/Metadatendienste/Datenbezug/SRU/sru_node.html
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