(1961)
etching and aquatint
(1981)
lithograph
(1962)
woodcut
(2000 - 2002)
gouache
(1980s)
cardboard cut-out
(1939)
linocut
(1937)
etching
(1985)
(2007)
(1995)
(1969)
screenprint
(1777)
engraving
(1 September 1780)
mezzotint
(1970)
(1998, July)
etching and lift-ground aquatint
(1984)
(1978)