Columbia subject headings:
Harvard subject headings:
France--History--To 987--Sources.
Gaul--History--58 B.C.-511 A.D.--Sources.
Merovingians--France--History--Sources.
Merovingians--France--Sources.
Romans--France--History--Sources.
Romans--France--Sources.
Princeton subject headings:
France--History--To 987--Sources.
Gaul--History--58 B.C.-511 A.D.--Sources.
Merovingians--France--History--Sources.
Romans--France--History--Sources.