(1845)
etching
(1998)
screenprint
(1987)
(2005)
((1962-63))
etching and aquatint
(1989)
lithograph
(c.1963)
linocut
(1950s)
softground etching
(2004)
(1993)
(1966)
(2006)
(1963-64)
sugarlift aquatint