(1967-69)
linocut
(1988)
lithograph
(1986)
(1992)
etching printed in black ink
(1989)
etching
(1987)
lithograph from computer-generated image
(2004)
stencil
(1995)
screenprint
(1993)
photocopy
(c.1958)
etching and drypoint
off-set lithograph