(1962)
etching
linocut
(1997)
screenprint
(1935)
(1992)
lithograph
(1981)
offset-lithograph
photo-offset lithogaph
(c.1929)
woodcut
(c.1921)
drypoint
(1998)
(1950)
(c.1920)
(1950s)
(1949)
(c.1960)
softground etching
softground-etching