(1930)
wood-engraving
(about 1934)
linocut
(1962)
woodcut
(1960)
(1977)
(1987)
etched copper plate
etching and aquatint
(2002)
screenprint
(1986)
aquatint
(1922)
(1936)
(1927)
drypoint
etching
(1957-58)
lithograph
(1981)
photo-etching