(by 1975)
Silkscreen
(1967)
etching (lithograph?)
(1999)
mezzotint
(1979-81)
screenprint
(2009, February)
(1994, October - November)
linocut
(1940)
print
aquatint
(1980)
etching
((1979))
(1996)
(1978)
photo-screenprint