German Art

Thomas Lirer, author. Chronica von allen Königen und Kaisern: Knight before a walled city. Published 1486.
Arthistoricum : Art historical research site from Germany, including text and images,  covering the Middle Ages to the present.

Deutsche Digitale Bibliothek: Kultur und Wissen Online. Includes over 23 millions objects with over 9 million digitized media.

"Entartete Kunst" ("Degenerate Art") Complete Inventory. Digitized by the Victoria & Albert Museum.

Galerie Heinemann Online: Records of the Munich art dealer Galerie Heinemann with focus on the period from 1890 to 1939.

Grosse Deutsche Kunstausstellung 1937-1944: Research platform for images of the Great German Art Exhibitions of the Nazi era.

Handschriftencensus. An inventory of German language manuscripts of the Middle Ages.

Kleiner Welt Spiegel by Johann Remmelin. Anatomical book published in 1661. Features movable flaps that can be raised to show various anatomical features. From the Internet Archive.

Kubikat: "Collective catalogue of four of the leading German scholarly research institutes in the field of art history...contains more than 1.5 million records, including 800,000 articles in scholarly periodicals, conference papers, commemorative volumes and exhibition catalogues."   

Zentralinstitut für Kunstgeschichte Farbdia Archiv. Contains 39,000 digitized records of frescoes and murals in eastern Europe as compiled by the Nazi regime during World War II.