(1971)
wood-engraving
(1948)
screenprint
(1995, November)
lithograph
(1996, February)
(1976)
aquatint and deep etching
(1989)
linocut
(1996)
(1929)
woodcut
(1887)
lithographs
(1977)
(1970)
(1987)
(1991)
etching and aquatint
(1992)
(1970s)
(c.1956)
photo-lithograph
((1954-55))
(c.1958)
(1941)
monotype