(1992)
lithograph
offset-lithograph
(1961)
screenprint
(1964)
(1974)
(c.1921)
(1981)
(1997, February)
photo-lithograph
(1983)
mezzotint
(1985)
colour linocut
(1971)
woodcut and lithograph
(1912)
etching
(c.1930)
linocut
(1966)
(1982)