(1955-56)
etching
(1961)
etching and sugar-lift aquatint
(1959)
aquatint
(1960-70)
(1963)
lithograph
(c.1928)
drypoint
woodcut
(c.1960)
(1993, April)
linocut
(1950's)
(1960)
(1962)
(1973)