(1992)
etching
aquatint
softground etching and aquatint
(1957)
lithograph
softground etching
(c.1960)
drypoint
((1949))
monotype
(1938)
(1983)
screenprint
(1966-67)
(c.1930)
woodcut
(1968-69)
(1987)
(1960-70)
coloured print