(1969)
relief print
(1986)
linocut
(1992, May)
lithograph
(2005)
etching
(1963)
aquatint and drypoint
(c.1986)
aquatint
(1951)
etching and aquatint
(1977)
engraved lino block
(1939)
((1955))
(c.1976)
screenprint
((1984))