(1976)
woodcut
(1971)
(1982)
photocopy
(1965)
etching and aquatint
(1966)
etching and drypoint
(1950s)
lithograph
(c.1925)
etching
(1932)
linocut
(1986)
(1924)
aquatint
(c.1950s)
pencil drawing.
(1960)
drypoint
drawing
(1997)
drypoint and chine colle