(1947)
etching
(1979)
(1985)
(1961)
lithograph
(1974)
linocut
(c.1960)
etching and aquatint
((1960))
sugar aquatint
(1962)
woodcut
(c.1963)
aquatint
(1970)
(1977)
relief-etching
(1995)
offset-lithograph
(1998)
(c.1965)
(1991)
(1980)
(c.1985)
off-set lithograph