(1992)
etching
softground etching and aquatint
(1957)
lithograph
softground etching
(c.1960)
drypoint
((1949))
monotype
(1938)
(1989)
drypoint and roulette
(July 1989)
(1983)
screenprint
(1966-67)
(c.1930)
woodcut
(1968-69)
(1971)
(1987)