(1954-66)
etching
(1933)
linocut
(1932)
lithograph
(1988)
softground etching
(1999, 6 October)
(1999)
(1993)
woodcut
(1966)
colour etching and aquatint
(1930)
(1978)
(1967)
((1919))
aquatint
(1857)
(c.1938)
(c.1954)