(1960-70)
etching
(1962)
lithograph
(1977)
screenprint
(1981)
(1973)
linocut
(1986)
offset-lithograph
((1935))
wood-engraving
(1937)
(1999)
(2001, July)
(2000, August)
(c.1985)
off-set lithograph
(1987)
(2004)
drypoint etching
(1984)
woodcut
(1968)
etching and aquatint
(1991)
(1923)