(1929)
lithograph
(1968)
etching and aquatint
(c.1930)
etching
(1975)
woodcut
(1973)
(1970)
offset-lithograph
(1960-1961)
(1938)
(1960-70)
(c.1938)
((1968-69))
((1955))
(1988)
((1978-80))
screenprint
(1962)
drypoint