(1790)
engraving
(1848)
lithograph
(1847)
(1845)
(1820)
(1841)
(1986, October)
(1967)
linocut
(1999, June)
linocut printed in black ink
(1993)
(c.1981)
offset-lithographs
(1977, September-November)
photo-etching
(1977, September- November)
(October 1965)
line-etching and drypoint
(1966)
etching and drypoint
(1988-93)
screenprint