SIGMA général : SIGMA 12, Bordeaux, Recherche et Action Culturelle, 18 octobre-4 decembre 1976.
Sigma (Festival)(12th :1976 :Bordeaux, France)
Scottish Arts Council.Library,former owner.NLS
[Bordeaux : SIGMA 12,
1976]
Provenance: 20th-century inscription on title-page: SAC Library, B7 FRA 85/2-1.