Seed Corn Should Not Be Ground – A Portrait of Käthe Kollwitz (1967)

Tetzlaff's documentary combines historic film footage and photographs with quotes from Kollwitz's diary and images of her sculptures and graphic works, including The Weavers' Revolt (1893-97), The Peasant War (1902-08), Woman with the Dead Child (1903) and War (1922-23), her famous series of seven woodcuts.