* 137
1967
Ink and colour pencil on paper on fibreboard, painted in . . .
* 138
1976
Ink, diluted, and acrylic paint on cotton fabric, wooden . . .
* 139
Berlin 1981
7 Works in watercolour and . . .
* 637
Amsterdam, 1 December 1970
Felt-tip pen and asphalt varnish
* 638
Amsterdam, 1970
Watercolour
* 639
1971
Pen and ink
* 640
Amsterdam, 1970
Pen and ink
* 641
1971
Watercolour, felt-tip pen, pen and ink and pencil
* 642
Bern, 6 August 1971
Watercolour
* 643
27-Jun-71
Pen and ink
644
1998
Colour aquatint
* 645
1978/1980
Two etched glasses on maple base
1018
1967
3 colour screen prints
1019
1967
3 colour serigraphs
1020
1971
Etching
1021
1980
Offset printing