1970
Colour silkscreen over offset on wove paper
1974
Offset print on Rives wove paper with watermark
1972
Lithograph on BFK wove paper (negative print)
1985, 1991
3 Lithographs, 2 of them in colour. One on wove paper, with watermark "Arches France", the other two on heavy laid paper, with watermark "RICHARD DE BAS"
1985, 1986, 1987
3 Lithographs. One on wove paper, with watermark "ARCHES FRANCE". Two on sturdy laid paper, each with watermark "RICHARD DE BAS" and "AUVERGNE A LA MAIN"
1985, 1986
3 Lithographs, each on sturdy laid paper with watermark "RICHARD DE BAS"
1986, 1991
3 Colour lithographs. One on wove paper, with watermark "ZERKALL". Two on sturdy laid paper, each with watermark "RICHARD DE BAS"
1991, 1986
3 Lithographs, 2 of them in colour. All on sturdy laid paper, each with watermark "RICHARD DE BAS"