(1985)
etching and aquatint
(1967)
etching
(1966)
colour etching
(1988)
wood-engraving
(1997, March)
lithograph
(1942)
(1927)
drypoint
(1919)
((1924))
collotype
(1978)
hardground-etching
(1918)
spirit-aquatint and drypoint