mezzotint
(1971)
etching
(1979, April)
(1950s)
lithograph
(1981)
(1960-1990)
linocut
(1908)
(1970s)
woodcut
(1987)
etching and aquatint printed in black ink
(1967)
screenprint
(1992)
aquatint
(1976)
(1968)
etching and aquatint
(1986)
drypoint