(1970)
etching
(1961)
lithograph
(1960-80)
(1982-90)
(1987)
hardground etching
(1976)
screenprint
(1979)
(1981)
mezzotint
(1974)
aquatint printed in black ink
(c.1992)
linocut
(1991)
stamp print
(1982)
(1988)
softground etching
(c.1996)