(1965)
etching and aquatint
(1999)
linocut
(1932)
(1999, November)
etching
(1956)
softground etching
(1953)
wood-engraving
((1946))
offset-lithograph
(1962)
lithograph
(c.1956)
(1987)
(2003)
drypoint
(1986)
photocopy
aquatint and etching
monotype
(1975)
woodcut