(1971)
woodcut
pencil drawing.
(1960)
drypoint
drawing
(1997)
drypoint and chine colle
(1965)
screenprint
((1965))
(c.1968)
etching
etching and aquatint
(1966)
(1984)
linocut
(c.1948)
(1982)
photocopy
(c.1874)
lithograph