(1953)
monotype
(1965)
etching and aquatint
(1964)
etching
(1973-74)
aquatint
(1978)
(1990, January)
lithograph
(1990)
woodcut
(1972)
screenprint
(1931)
linocut
(c.1955)
relief-etching
(1992)
softground etching