(1989)
linocut
(1996)
screenprint
(1929)
woodcut
(1887)
lithographs
(1977)
lithograph
(1970)
wood-engraving
(1987)
(1991)
etching and aquatint
(1992)
(1970s)
(c.1956)
photo-lithograph
((1954-55))
(c.1958)
(1941)
monotype
((1964))
drypoint
(1964)
(1971)
(c.1955)