(1925)
etching and foul biting
(1989)
lithograph
(1942)
monotype
(1931)
etching
(1936)
linocut
(1988)
offset lithograph
(1929)
wood-engraving
(2007)
hardground etching
((1937))
aquatint
etching and aquatint
(1933)
(1947)
(1979)
screenprint
((1955))
(1922)