(15 July 1999)
lithograph
(1979)
screenprint
(1918 (documentation))
(1999, July)
collograph
(1976)
(1992)
linocut
(1987)
offset-lithograph
etching
((1923))
etching and aquatint
(1998)
lithograph drawn in crayon and wash
(1988)
(c.1958)