(by 1925)
etching
(1939)
woodcut
(1986)
(1983)
(c. 2006)
embossing; carbon-transfer
(1992)
(1989)
lithograph
(1995)
letterpress (title and poetry) and woodcut
screenprint
(1965)
(1947)
aquatint and etching
(1919)
spirit-aquatint
(1977-79)
(1955-56)
(1917)
(1975)
(1973-74)
aquatint