(1977)
lithograph
(1963)
etching
(1966)
(1976)
photo-etching
(1970, November)
photo-screenprint
(1971, March)
etching and aquatint
(1964)
woodcut
(1996, January - February)
linocut
(1965)
(1973)
(1970)
pen and ink on typescript on offset-lithograph and xerox