(1972)
letterpress
(1979)
woodcut
(1981)
etching
screenprint
(2001)
etchings printing in colour
(1990s)
offset lithograph
(1976)
(July 1931 (exhibited))
computer generated inkjet prints
(1986)
etching and aquatint
(1997, February)
lithograph
(1997, March)
(1939)
(1966)
(1977)