(1991)
screenprint
(1961)
lithograph
(1981)
mezzotint
(1974)
aquatint printed in black ink
stamp print
(1962)
linocut
etching
(1987)
(1992)
drypoint
(1960-80)
(1988, August)
(1988)
softground etching
(c.1964)
collage of found wallpaper sample