(1918)
(1989)
lithograph
(1942)
monotype
(1931)
etching
(1936)
linocut
(1919)
(c.1935)
charcoal
(1988)
offset lithograph
wood engraving
(1929)
wood-engraving
(2007)
hardground etching
(1890s)
aquatint
etching and aquatint
((1937))
(1933)