(1962)
lithograph
(1886)
etching
(1963)
linocut
(1960)
(1992, July)
collograph
(c.1960)
softground-etching
(1999, October)
(1994)
drypoint
(c.1928)
(1969)
(1954-55)
(1986)
photo-screenprint
(1965)
etching and aquatint printed in blue
etching and aquatint
(1999)
(1932)
(1953)
wood-engraving
(1956)
softground etching