(1964)
etching
(1982)
screenprint
(1970)
lithograph
(1965)
relief-etching printed in black ink
(1960s)
etching printed in black ink
(1995)
collograph
(1998)
(1988)
(1972)
woodcut
(1969)
(2000, February)
(1953)
(1950s)
mezzotint and etching