(1962)
woodcut
(1932)
linocut
(1930s)
etching
(1997)
aquatint
(1988)
screenprint
(1930s?)
(2000 - 2002)
gouache
(1980s)
cardboard cut-out
(1939)
(1937)
(1985)
lithograph
(2007)
(1995)
(by 1975)
photo-screenprint