(c.1999)
etching
(1938)
etching and drypoint
(c. 2006)
digital print
(1976)
drypoint
(1955-56)
etching and aquatint
(1956-57)
woodcut
(1953-54)
lithograph
(1998)
(c.1954)
linocut
(1981)
screenprint
(1990)
(1974)
woodcut and photo- zinc relief
(1946)
(1997)
aquatint
(1969)
(1991)