(1990)
woodcut
(1908)
etching
(2004)
stencil
(1976)
lithograph
(1960-70)
(1977)
(1979)
screenprint
(1957)
(1986)
photocopy
(1975)
hand-stamped rubber stamps
(1975-76)
rubber stamps
((1945))
monotype
(1964)
softground etching
(July 1992)
etching and aquatint
(1992, July)
(1956-57)