Kathe-Kollwitz-Sammlung der Kreissparkasse Koln, Katalog der Handzeichnungen
Bonn: Kreissparkasse Koln, 1985. In German. Illustrated throughout in color and black & white. 4to, brown cloth with pictorial stamp on front cover. Light discoloration on back cover. Bonn: Kreissparkasse Koln, (1985). Near-fine. More