(1929)
line-etching
(1918)
aquatint
(1949)
etching
(1971)
etching and aquatint
relief-print from found object
(1993)
linocut
(May 1961)
(1922)
drypoint
(1997, 4 August)
screenprint
(1973)
lithograph
(1984)
(1982)
(1983)
(1976)
(2000)