(1932)
linocut
(1953)
wood-engraving
(1986)
photo-screenprint
(1963)
etching
(1989)
(1996)
lithograph
(1959)
(1999)
(1969)
(1954-55)
monotype
(1999, November)
(1975)
woodcut
(1956)
softground etching
linocut and woodcut
(1965)
etching and aquatint printed in blue
etching and aquatint