((1937))
wood-engraving
(1904)
line-engraving
(1936)
linocut
(1931)
(1932)
(1932, December)
etching
((1933))
offset-lithograph
((1929))
(c.1978)
letterpress
(c.1930)
((1934))
((1938))
(c.1934)