(by 1975)
screenprint
(1989)
etching
(1996)
etching and aquatint
(1842-47)
lithograph
(1936)
(1937)
(1983)
(1984)
(1968)
(1923)
linocut
(c.1922)
(1979)
aquatint
(1975)
(1985)
drypoint