mid-19th century - late 19th century | plaster
late 19th century - early 20th century | gelatin silver process
February 24, 1939 | ink on paper
September 28, 1929 | ink on paper
late 19th century - early 20th century | plaster and clay
September 26, 1929 | ink on paper
1860 | plaster, copper alloy
December 7, 1926 | ink on paper
March 20, 1927 | ink on paper
early 20th century | stone, bone, plaster, paper
late 19th century - early 20th century | Modeling compound (likely air-dry Modello or similar), iron armature, paint.