591
1971
Earth, Indian ink, pencil
592
1997
Earth, gouache, charcoal, thorns
593
2005
Earth, gouache, charcoal, thorns
594
1981
Etching, reworked with drypoint
595
1997
Etching, reworked with drypoint and chalk
596
2000
Coloured chalks over etching and drypoint
597
2001
Colour pencil over drypoint
* 871
1974
Watercolour, ink, glued tree sponges
872
1982
Charcoal, graphite, pastel and watercolour
873
1967-1972
1 copper engraving, 2 colour . . .
874
1973
Etching
875
1979
Etching, reworked with drypoint
876
1991
Offset printing
877
1996
Drypoint Etching