Columbia subject headings:
Romans--Spain.
Spain--History--Roman period, 218 B.C.-414 A.D.
Spain--History--To 711.
Harvard subject headings:
Portugal--History--To 1385.
Romans--Portugal
Romans--Spain
Spain--History--Roman period, 218 B.C.-414 A.D.
Spain--History--To 711.
Princeton subject headings:
Romans--Spain.
Spain--History--Roman period, 218 B.C.-414 A.D.
Spain--History--To 711.