(2000)
digital print
(1987)
screenprint
(1964)
etching and aquatint
(1970s)
woodcut
(1924)
etching
(1933-34)
linocut
(1977)
wood-engraving
(1995)
(by 1947)
(1988)
(1986)
(c.1930)
(c.1928)
(1985)
(1966)
lithograph