(1975)
screenprint
(1983)
(1986)
(1964)
etching
(1968)
colour etching and aquatint
(1997, August)
lithograph
etched magnesium plate
(1973)
etching and aquatint
(1972)
etched zinc plate
(1966)
(1963)
(1955-56)
etching and foul biting