(1976)
screenprint
(1978)
(1965)
lithograph
(1947)
line-engraving
monotype
(c.1948)
(1977)
linocut
etching
((1953))
colour monotype
(1953)
(1974)
electric hand engraver
(1980)
(1983)
woodcut
(1987)
(1939)