(1855-56)
etching
(1968)
(c.1932)
linocut
(1890s)
lithograph
(c.1953)
(1993)
(c.1974)
(1972)
(c.1975)
Concept one
(1981)
(c.1976)
Concept three
(2005)
digital print
(1991)
collagraph
((1971))
photocopy
(1965)