(1965)
etching and aquatint
(1999)
linocut
(1932)
(1999, November)
etching
(1953)
wood-engraving
(1956)
softground etching
monotype
((1946))
offset-lithograph
(1962)
lithograph
(1886)
(1963)
(1960)
(1992, July)
collograph
(c.1960)
softground-etching
(1999, October)
(1994)
drypoint
(c.1956)
aquatint and etching