(1923)
etching
(1998)
etching and aquatint
(1974)
Screenprint
(c.1967)
open-bite etching and aquatint
(1967)
(1990)
screenprint
(1988)
softground etching
(1919)
(1989)
monotype
(1999, February)
(1952)
linocut
(1987)
softground-etching
(1962)
(1983, December)
photo-etching and aquatint