(1932)
etching
(1930)
etching and foul bite
(1994-1999)
woodcut
(1910)
(1954)
linocut
(1909)
screenprint
(1987)
etching and aquatint
(1992, April)
lithograph
(by 1975)
photo-screenprint
(1975)
(1982)
hardground-etching
(1985)
(1990, October)