September 14, 1901 | halftone on paper
1895 | lithograph on paper
late 19th century | graphite on paper
1885 | printing ink on paper
July 21, 1862 | graphite with watercolor and white gouache on paper
1883 | copper
1941 | tempera on paper
1944 | ink and pen on paper
May 31, 1926 | ink and watercolor on paper
July 11, 1926
1877 | oil on canvas
late 19th century - early 20th century | graphite and ink on paper
late 19th century - early 20th century | Modeling compound (likely air-dry Modello or similar), iron armature, paint.
late 19th century - early 20th century | largely wax on an iron armature. textile cord for rope. Some wax is internally pigmented and there is likely some paint applied to the surface.
1934 | oil on board
1978 | colored pencil and tempera on matboard