(1856)
lithograph
digital-print
(1985)
etching
linocut
(1974)
(1961)
(c.1960)
(1979)
(1947)
etching and aquatint
((1960))
sugar aquatint
(1962)
woodcut
(c.1963)
aquatint
(1970)
(1977)
relief-etching
(1995)
offset-lithograph
(1998)