(1961)
lithograph
(1992)
etching
(31 May 1991)
linocut
(1999, March)
(1950)
stencil
(c.1955)
(c.1934)
(1955)
(1986)
photocopy
(1989)
screenprint
(1993)
(1999, February)
(1992, December)
(1999, November)
woodcut