(1924)
etching
((1936))
wood-engraving
((1927))
((1934))
((1931))
aquatint and etching
(1931-33)
woodcut
((1930))
((1930s))
lineblock
(c.1944)
((1938))
line-block
((1926))
(1930)
linocut
process block
line block
offset-lithograph