(1964)
monotype
(2009)
linocut
steel shaft (broken point)
burin
(1930s)
drypoint
etching
(1978)
wood-engravings
(1954)
(1950s?)
off-set lithograph
(2010)
etchings
(1986 - 1987)
lithograph
(1997)
(2000, August)
(1973)
etching and aquatint
(1838)
(1966)
(8 April 1839 (first noted))