Portrait of his mother. Object Type: painting. Date: 1927. Dimensions: height: 80.8 cm (31.8 in) ; width: 70.2 cm (27.6 in). Medium: oil on canvas. Collection: Westphalian State Museum of Art and Cultural History. LWL-Museum für Kunst und Kultur-Peter August Böckstiegel-Mutterbild-08000
