(1978)
etching and aquatint
(1967)
etching
(not dated (1975))
screenprint
(18 March 1975)
(1984)
photocopy
(2003)
(1989)
woodcut
engraved perspex
(1925)
engraving
linocut
(1929)
(1999)
(1971)
lithograph
(1835)