(1972)
screenprint
(1955-56)
etching
((1926))
drypoint
(1926)
(1928)
etching and aquatint
(1966)
(1970)
woodcut
(1969)
(1974)
(1968)
colour etching and aquatint printed in intaglio and relief
(1967)
colour etching and aquatint
(c.1961)
monotype
photo-screenprint
(1935)
wood-engraving
(1976)