(1934)
etching
(2000 - 2002)
gouache
(1945)
process block
(1989)
lithograph
(2002)
(1918 (documentation))
(2003)
stencil
(1978)
(1951)
etched zinc plate
(1993)
sugarlift aquatint
etching and aquatint
(1991)
etching (9 prints on one sheet)
(1973)
screenprint