(1841-45)
etching
(1969)
screenprint
(1830)
engraving
(1834)
(1999)
(1988)
(1982)
(1981)
screenprint; zerox
(1998)
digital print
(1977)
photo-screenprint
(1970)
pen and ink on typescript on offset-lithograph and xerox
(c.1942)
poster paint
(2002)
black and white photocopy with coloured digital print
lithograph
(1987)
(1940)
linocut