(1936)
linocut
(1925)
wood-engraving
(c.1952)
offset-lithograph
(1983)
screenprint
(1987)
lithograph
(1981)
(1994-95)
etching and aquatint
(1932)
(1978)
(c.1920)
photo-etching
(1928)
woodcut
(1929)
hardground-etching
(1986)
hard ground