monotype
etching
(1979)
photo-etching
(1920)
(1923)
line-etching and aquatint
(1927)
(c.1928)
(1940s?)
aquatint
(1974)
screenprint
(1997, May - June)
lithograph
(30 April 1932 (dated))
(c.1918)
(c.1933)