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.