(1964)
etching and aquatint
(1965)
(1978)
(1965 (documentation))
(January 1990)
lithograph
(1990)
woodcut
(1972)
screenprint
(1931)
linocut
(c.1955)
relief-etching
(1992)
softground etching
((1968-69))
etching
(1961)
Screenprint
(1977 - 1978)
(1985)
(1967)