Bibliographia Cartographica registers international publications on all aspects of cartography such as history of cartography, map production, GIS, professional organisations, thematic or regional cartography. This international documentation is compiled by the map department of the Berlin State Library in connection with the Deutsche Gesellschaft für Kartographie. Approx. 1,500 to 2,000 titles annually are documented according to the subject. On the basis of the special subject field "Veröffentlichungen der Kartographie" (cartographic literature) specialized journals, periodicals and monographs are evaluated on behalf of the German Research Foundation.