(1965)
lithograph
(1989)
woodcut
(by 1947)
(c.1932)
(1980)
etching and foul-biting
(1966)
etching and aquatint
(1966-67)
drypoint
(1964)
(c.1985)
off-set lithograph
(1888)
etching
(1990)
linocut
(1970s)
screenprint