(1996)
drypoint and aquatint
((1953))
wood-engraving
(1984)
linocut
(2010)
etching and soft-ground etching
((1966))
lithograph
(1965)
(1989)
woodcut
(by 1947)
(c.1932)
(1980)
etching and foul-biting
(1966)
etching and aquatint
(1966-67)
drypoint
(1964)
(c.1985)
off-set lithograph
(1888)
etching