((1934))
wood-engraving
((1929))
((1935))
(1923)
(1926)
(1940s)
aquatint
(1930s)
drypoint
(1931-33)
woodcut
(1942)
engraved-metal
((1938))
process block
etching and aquatint
(1928)
etching
((1922))
(1925)
((1927))