(1986)
screenprint
paper pulp construction
(1968)
string print and relief-etching
deep-etching and aquatint
(1958)
flat biting over lithographic crayon
(1961)
linocut
(1960-70)
photo-etching
(1953)
stencil
etching
(1984)
(1970)
(1917)
etching and drypoint
pencil drawing
(1989)
etchings
(1992)
woodcut