(1975)
etching and aquatint
(1989)
printed in colour
screenprint
(1950)
etching
aquatint
(1953)
lithograph
(c.1961)
photo-lithograph
(1931)
linocut
(c.2009)
woodcut
(c.1920)
(c. 1920)
(1952)
(1993, March)
(1983, before 14 December)
(1980)
hard ground