(1965)
line-etching
etching
(1985)
(1960s)
etching and aquatint printed in black ink
(1841)
lithograph
(1934 (about))
linocut
((1956))
(1972)
screenprint
(1984)
(2002)
(1990)
((1968-69))
(1971)
softground-etching
((1962-63))
etching and drypoint
drypoint