Columbia subject headings:
Gaul--Antiquities.
Gaul--Economic conditions.
Gaul--History.
Gaul--Social conditions.
Harvard subject headings:
Civilization, Ancient.
Gaul--Antiquities.
Gaul--Economic conditions.
Gaul--History--To 58 B.C.
Gaul--Rural conditions.
Gaul--Social conditions.
Princeton subject headings:
Civilization, Ancient.
Gaul--Antiquities.
Gaul--Economic conditions.
Gaul--History--To 58 B.C.
Gaul--Rural conditions.
Gaul--Social conditions.