linocut
(1962)
etching
(1955)
(by 1968)
(c.1929)
(1946)
lithograph
(1965)
screenprint
(1917)
aquatint
(1954)
(1955-56)
(1961)
engraving
(1991)
monotype
(1992)
(1935)
(c.1946)
photographic lithograph
(1971)
(c.1938)
(1930-1950)
offset-lithograph
(1860)
letterpress; lithograph; engraving