(1954)
linocut
(1970)
etching and aquatint
(1982)
screenprint
(1992)
(1932)
lithograph
(1965)
(2005)
(1991)
(1925)
etching and drypoint
(1976)
woodcut printed in colour from one block; lithograph
(1938)
etching
(1979)
(1894)
(1975)
offset-lithograph
(1919)
(1933)