(1923)
softground-etching
(c.1976)
screenprint
(1986)
photocopy
(1987)
(1988)
(1929-30)
engraving
(c.1960)
printed in black ink
(1956)
lithograph
(1961)
(1936)
drypoint
(1937)
etching and aquatint
(1959)
woodcut
(1945)
linocut
(1920)
etching
(1960)
(1985)
(1989)
((1980))