(1991)
lithograph
(1989)
etching
(1969)
line-etching
(1999)
softground-etching
(1986)
photo-etching and aquatint
softground-etching and aquatint
etching and aquatint
(1975)
photo-etching
(1958)
linocut
(1981)
(1970)
(1966)
(about 1975)
screenprint
(2001)
(1977)
(1978)
(c.1955)
(1990)
offset-lithograph