(1963)
etching
linocut
(1979)
(1966)
screenprint
(1992)
etching and softground etching
monotype
(c.1993)
(1977)
aquatint printed in red ink
(c.1940)
transfer drawing
etching and aquatint
(1991)
(1985)
woodcut
(1961)
lithograph
(1981)
mezzotint
(1974)
aquatint printed in black ink