(1931)
wood-engraving
(1932)
((1933))
offset-lithograph
((1929))
(c.1978)
letterpress
(c.1930)
((1934))
((1938))
(c.1934)
linocut
((1937))
((1927))
line-engraving
(1933)
woodcut
((1942))
(about 1927)