(c.1912)
engraved lino block
(1964)
woodcut
linocut
(1945)
aquatint
(1950s)
etching and lavis
(c.1961)
lithograph
(1947)
(1977)
etching and aquatint
(1976)
(c.1963)
(by 1935)
Monotype
(c.1965)
(1957)