(1924)
wood-engraving
(c.1925)
etching
(c.1928)
drypoint
(1917)
spirit-aquatint
Mezzotint
(1982)
screenprint
(1966)
etching and aquatint
(1965)
aquatint and open-biting
(1964)
(1932)
lithograph
(1981)
(2004)