(1989)
etching
(1960-80)
(2001)
lithograph
(1985)
(1977)
screenprint
(1956-57)
linocut
aquatint
(c.1930)
woodcut
aquatint printed in black ink
(1971)
hard ground
(c.1975)
(1991)
drypoint
(1988)
(1990)
(c.1984)
(1983)
offset-lithograph