(1985)
etching
(2007)
engraving
(1857)
lithograph
(c.1944)
wood-engraving
(1978)
photo-screenprint
(2004)
embossing (pressed aluminium); screenprint
(1975)
(1964)
(1971)
(1972)
(1992, July)
(c.1985)
off-set lithograph
(1958)
linocut
(1986)
hardground-etching and aquatint
(1979, April)
(1997)
aquatint
(2000)
digital print