The Collection of German Prints (German: Sammlung Deutscher Drucke) 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

• German National Library#Working Group for the Collection of German Imprints (AG SDD)

• Arbeitsgemeinschaft Sammlung Deutscher Drucke (archive)