etching and sugar aquating.
(1976)
etching and aquatint
(1855-56)
lithograph
(1984)
aquatint
(1983)
(1962)
(2004)
screenprint
(1999)
linocut
(1999, October)
(1989)
(1995)
etching
(c.1929)
woodcut
drypoint