(2002)
digital print
(1965)
linocut
(1970s)
woodcut
(24 May 1974)
screenprint
(1971)
(1969)
((1968-69))
etching
(1960)
drypoint
(1963)
collagraph
relief print
(1986)
(1992, May)
lithograph
(2005)
aquatint and drypoint
(1951)
(c.1986)
aquatint
etching and aquatint