(1961)
colour aquatint
aquatint
(1937)
etching
(1936)
(1927)
(1907)
(1986)
screenprint
engraving and drypoint
(1962)
(1958-61)
flat biting over lithographic crayon
(1999)
screenprint and embossing
(1999, October)
(1978)
etching and aquatint; letterpress text
(1960)
drypoint
(2000)
linocut
(2006)
((1953))
wood-engraving
(1988)
woodcut