(1970)
(1977)
screenprint
(1966)
etching
(1964)
etching and aquatint
(1988)
linocut
linocut and caustic etching
(1990)
(1989)
(1986)
drypoint
(c.1925)
woodcut
(1982)
lithograph
(1997)
((1955))
(1998)
(2003)
stencil