(1988)
screenprint
(1806-13)
engraving
(1990)
linocut
((1968))
(1971)
etching
(1947)
lithograph
(1932)
(1965-66)
sugar aquatint
(1973)
etching embossing
photo-screenprint and embossing
(1935)
(1800)
woodcut
(1985)
etching and aquatint