(1905)
engraving
(1934)
linocut
(1900)
line-engraving
((1937))
wood-engraving
(c.1946)
etching
(1932)
(c.1932)
engraved lino block
(c.1950)
((1935))
(1930)
((1933))
process block
(1935)
((1938))