(1942)
engraved-metal
((1938))
process block
etching and aquatint
(1928)
etching
((1934))
wood-engraving
((1922))
(1925)
((1935))
((1927))
(1926)
((1927-43))
linocut
((1932))
(1922)
(1924)
line-engraving