ENCYCLOPAEDIA Universalis - Grégory, Claude (Paris : Encyclopaedia Universalis, 1968)
v.1-18:A.Z.v.19-20:Thesaurus.v.21-28 Supplements 1974-1981. 1982-1984. Supplements 1984. Supplement 1985. Supplement 1986. Supplement 1987. Supplement 1988. Supplement 1989.v.21:Le savoir.v.12:Les enjeux.v.13:Les chiffres du monde.Supplement 1990.Supplement 1991.Supplement 1992.Supplement 1993.Supplement 1994.Supplement 1995.-Supplement 2v.-Supplement 1996.-