Collection of German Prints

The Collection of German Prints () or SDD is the virtual German national library. Founded in 1989 by an association of six German libraries it covers the entire German-language literature.

Each library is responsible for a specified period of time:

* 1450–1600: Bavarian State Library (Munich) * 1601–1700: Herzog August Library (Wolfenbüttel) * 1701–1800: Göttingen State and University Library * 1801–1870: Frankfurt University Library * 1871–1912: Berlin State Library * since 1913: German National Library Provided by Wikipedia