Columbia subject headings:
Cities and towns, Ancient--Spain--Congresses.
Romans--Spain--Congresses.
Spain--Antiquities, Roman--Congresses.
Spain--History--Roman period, 218 B.C.-414 A.D.--Congresses.
Harvard subject headings:
Cities and towns, Ancient--Spain--Congresses.
Romans--Spain--Congresses
Spain--Antiquities, Roman--Congresses.
Spain--History--Roman period, 218 B.C.-414 A.D.--Congresses.
Princeton subject headings: