(c.1974)
etching
(1974)
(1973-74)
(1984)
softground etching and aquatint
(1965)
screenprint
etching and aquatint
(2000 - 2002)
gouache
(1928)
lineblock
(1952)
linocut
(1983)
(1977 - 1978)
(1976)
(June 2004)
computer generated
(2005)
etchings
(c.1939)
lithograph