(1981)
etching
(1960)
etching and aquatint
(1957)
lithograph
(1984, May)
monotype
(1953)
(1986)
linocut
(1975)
screenprint
(1994)
(c.1978)
(c.1929)
(c.1922)
(1989)
(1997)
aquatint
(1982)
(1993)
(1965)
((1962-63))
drypoint