(1977)
(by 1929)
etching
(1965)
etching and foul biteing
(1970)
woodcut
(1970s)
(2000, February)
linocut
(1969)
(1995)
(1950)
line-engraving
(1953)
(1978)
screenprint
(c.1981)
etching and aquatint
(1991)
lithograph
(1982)
(1976)