(1960-80)
etching
(1961)
screenprint
(1982)
lithograph
(1962)
(1989, 6 April)
(1967)
woodcut
(1976)
(1956-57)
linocut
(1988, 19 February)
(1987)
hardground etching
(1997, October)
(2001)
etching and aquatint