(1953)
lithograph
(1974)
electric hand engraver
((1953))
colour monotype
(1983)
softground etching
linocut
(1925)
woodcut
(1936)
chalk drawing
drawing
drawing in sepia
(1960-70)
((1962-63))
drypoint
(1969)
etching
(1944)
(1954-55)