(1960-70)
aquatint
(1985, May)
etching
((1968-69))
etching and aquatint
(19 August 1789)
(20 October 1789 (imprint))
(1925)
wood-engraving
(1937)
drypoint
(1923)
softground-etching
(1997)
lithograph
(1975)
(1954)