(1999)
linocut
(1954)
lithograph
(1984, April)
photo-etching and aquatint
(1956)
(1952)
(2001, July)
(1932)
(1970)
etching and aquatint
(1982)
screenprint
(1992)
(1965 (documentation))
(2005)
(1991)
(1925)
etching and drypoint
(1976)
woodcut printed in colour from one block; lithograph
(1938)
etching