((1955))
linocut
(1985)
etching and aquatint
(1973)
(1956-57)
woodcut
screenprint
((1954))
(1954)
(1979)
(1950s)
drypoint
(1802)
engraving
(1968)
(c.1985)
off-set lithograph
etching
(1994)
(1990)