(1951)
drypoint and etching
(1960)
linocut
(c.1953)
etching and aquatint
(1953)
(1956)
lithograph
(1984)
(c.1933)
(1958)
(1954)
(1959)
(c.1994)
woodblock
(1961)
(1992)
etching
(31 May 1991)
(1999, March)
(1950)
stencil
(c.1934)
(1955)