(1919)
drypoint
(1927)
engraved woodblock
(1978)
screenprint
(1929)
letterpress
(1937)
etching
(1947)
transfer-lithograph
(1926)
linocut
(1996)
(1995)
(c.1981)
(c.1928)
(1991)
(1981)
photocopy
(1984)