(c.1979)
screenprint
(1750)
engraving
(1923)
(1989)
etching
(1967)
(1973, March)
offset-lithograph
(c.1930)
lithograph
(1924)
etching and drypoint
(1965)
(1922)
drypoint
(1987)
(1977, December)
photo-etching