(1988)
etching
(1982, before 19 March)
screenprint
(1923)
(1978)
offset-lithograph
(c.1985)
off-set lithograph
(1996, August - September)
(1996, September)
(1990)
lithograph
(2004)
collage
(1966)
colour etching and aquatint
etching and aquatint
(1934)
wood-engraving
(1986)
photocopy