colour separations by colour reproductions
((1970's))
screenprint
(1971-72)
(1991, July)
(1968)
(1988)
(1993)
linocut
(1994)
lithograph
(1976)
(1987)
(1969)
(1978)
photocopy
(1981)
(1914)
(1910s?)
(1989)
offset-lithograph
(1852)
(1974)
etching