(1990)
etching
(1969)
softground-etching and line-engraving
(2004)
drypoint etching
(1851)
lithograph
(1976)
screenprint
(1977)
aquatint
(1996, June)
(2003)
(1994)
(1994, October - November)
(1980)
offset-lithograph
((1955))