(1988)
lithograph
(1999)
sugar-lift etching
(1962)
drypoint
(1966)
screenprint
(October 1968)
(1946)
wood-engraving
woodcut
(2005)
etching
((1955))
(1959)
linocut and woodcut
(1936)
linocut
(1948)
line-engraving
(2000)
(1965)
(c.1954)
photo-lithograph
((1930s))
(1920-40)
(c.1958)
colour trandparency
(1968)