(1975)
lithograph
(1980s)
(1957)
etching and drypoint
etching and softground-etching
(c.1890)
(1963)
screenprint
(1963, July)
(1978)
etching
(1976)
photo-screenprint
(1967)
photo-etching
(1988)
line-engraving
(1980)
etching and aquatint
(1986)
(1989)
(1993)