(1974)
etching
(1936)
linocut
(1938)
(c.1988)
lithograph
(1994-95)
etching and aquatint
(c.1919)
drypoint
(1978)
screenprints
(1918 (documentation))
(1997)
(2002, May)
(1996)
(2002)
(1986, April)
(1930)
(1954-55)
woodcut
(1990)
(1953-54)
screenprint
(1966)
(1989)