(1930)
etched copper plate
(1940s)
drypoint
etching
(1969)
lithograph
(1972)
etching and aquatint
(1981)
screenprint
(1991)
etching and open bite
(1919)
linocut
(1927)
(1984)
etching and aquatint printed in colour
(1988)
(2002)
(1977)
(1973)
(1980)
(2002, October)