* 660
1960
Iron, forged and welded
661
1960
Pen in Indian ink
662
1960
Pen in Indian ink
* 663
1961
Pen and brush in Indian ink, felt-tip pen
* 1142
1960
Drypoint on copper
1143
1960
2 copper engravings
* 1144
1960
Copper engraving
* 1145
1970
Copper engraving on two plates. Printed on two sheets
* 1146
1970, 1973
2 copper engravings
1147
1976
Colour lithograph
1148
1979
Colour offset printing