(1985)
lithograph
(1989)
woodcut
((1912))
etched copper plate
(1950s)
(1954-55)
etching
(1976)
aquatint
(1984?)
(c.1978)
linocut
(1960)
(1978)
(1981)
(1968 - 1983)
etching and aquatint
(1968-83)
(c.1964)