(1991)
etching
(1961)
linocut
(1940)
aquatint and etching
(1942)
drypoint
(1977)
screenprint
(1981)
(1989)
(1992)
(1975)
(1973)
(2001, October)
(1983)
collage
(1964)
lithograph
(1990, January)
spray-can aquatint
(2002)