(1976)
lithograph
(1960-70)
(1977)
(1979)
screenprint
(1957)
(1986)
photocopy
(1975-76)
rubber stamps
(1964)
softground etching
(1956-57)
woodcut
(1980)
etching
(c.1952)
(2004)
etching and aquatint
wood-engraving
(1990)
linocut