(1975, November)
coloured pencil
(1956)
screenprint
(1975)
linocut
(1989, January)
etching and aquatint
(1989, 31 January)
Plant form transferred to verso by monoprint technique
(1934)
(c.1954)
(c.1981)
(2000 - 2002)
gouache
(1972)
lithograph
(c.1985)
off-set lithograph
(2010)
(1989)