(1964)
linocut
(1989)
(c.1961)
lithograph
((1955))
(1977)
screenprint
(1965)
drypoint
(1963)
(c.1950)
wood-engraving
(1915)
etching
(1992)
(1988)
(2000, June)
(2000)
(2000, December)
(1975)
collage of string