(by 1929)
drypoint
(1991, June)
screenprint
((1970))
etching and aquatint
(2001)
computer generated inkjet prints
(1990)
(1988)
(2002)
digital
(c.1942)
photo-lithograph
(1989)
lithograph
(1950s)
etching
(c.1920)
(1914)
(c.1914)
etched zinc plate
(c.1958)
(2003)
offset-lithographs