(c.1920)
lithograph
(1928)
(1931)
((1930))
(1991)
screenprint
(c.1930)
linocut
(1979)
(1967)
(c.1996)
etching and watercolour
(1961)
etching and soft-ground etching
(1963)
(1996, 28 September)
(1996)
(by 1925)
etching
(1939)
woodcut
(1986)