(c.1987)
etching
(1955-56)
woodcut
(1954-55)
(1985)
(1926)
lithograph
(1996, November)
(1971)
softground-etching and aquatint
(1965-66)
hard ground and deep etch
hard ground
hard ground etching and deep etching
(1999)
(1999, 7 October)
((1929))