(1999)
etching and aquatint
(c.1930)
aquatint
(1992)
soft-ground etching
(1987)
lithograph
(1953)
(1983)
(c.1986)
(1948)
(1967)
screenprint
(1945)
linocut
((1974))
(1976)
etching
stencil
(1994)
(1974)