(1918)
etching and drypoint
(1965)
linocut
(1986)
screenprint
(2006)
etching
(by 1924)
(1934)
etching and aquatint
(1969)
(c.1970)
lithograph
(1983)
woodcut
(1964)
lithograph and watercolour
(1972)
(1991)