(1959)
aquatint
(1963)
lithograph
(1960-70)
etching
(c.1928)
drypoint
(1955-56)
woodcut
(c.1960)
(1993, April)
linocut
(1950's)
(1960)
(1962)
(1973)
(1965-66)
etching and aquatint
cast plaster of etching plate
(1978)
aquatint and etching