(1918)
softground-etching and aquatint
softground-etching
(1921)
drypoint
(1990, March-August)
lithograph
(1928, after)
line-etching and drypoint
aquatint
(1920)
monotype
(1990)
drypoint and etching
(1992)
etching
(1903)
(1997)
etching and aquatint
linocut
(1978)
(1986)
screenprint
(1968)
(1993)
(1994)
(1989)
(2006)