((1955))
etching
(1967)
woodcut
(c.1956)
linocut
(c.1960)
etching and aquatint
((1961))
(1947)
(1961)
monotype
(1957)
lithograph
(1986)
(1951)
(2001)
(1964)
screenprint
(1977)
drypoint
(1973)