(1977)
(c.1920)
drypoint
(1932)
linocut
etching
(1923)
wood-engraving
(1967)
(1964)
((1957))
lithograph
(c.1921)
wash drawing
(1920)
etching and aquatint
(1848)
(c.1930)
(1955-56)
(1970)
(1978)
screenprint