1935 | pen and ink on matboard
mid-20th century | pen and tempera paint on paper
mid-20th century | felt tip pen on matboard
1943 | felt tip pen on matboard
1992 | ballpoint pen on paper
1993 | ballpoint pen on paper
1992 | ballpoint pen and felt-tip pen on paper
1993 | ballpoint pen and felt-tip pen on paper
ballpoint pen on paper