(1934)
etching
(1978)
screenprint
((1971))
(c.1935)
drypoint
(1929)
(1987)
etching and aquatint
(1942)
(1986)
(1937)
wood-engraving
(1945)
(1953)
linocut
(1984)
(1925)
line-etching
(c.1950)
(1980)
offset-lithograph
(1975)
(1965)
lithograph
(1966)