(1987)
offset-lithograph
(1981)
hand-stamped rubber stamps
(1969)
linocut
(1975)
lithograph
(1985)
screenprint
(1982)
(1978)
(c.1968)
(1972-73)
(1965)
screenprint on letterpress
(1967)
(c.1966)
collograph; watercolour
(1937)
(1968)
(c.1962)
(1959)
photographic reproduction
(1969-70)