Columbia subject headings:
Cities and towns, Ancient--Spain--Tarragona (Province)--Congresses.
Cities and towns--Rome--Congresses.
Excavations (Archaeology)--Spain--Tarragona (Province)--Congresses.
Tarragona (Spain : Province)--Antiquities, Roman--Congresses.
Urban archaeology--Spain--Tarragona (Province)--Congresses.
Harvard subject headings:
Excavations (Archaeology)--Spain--Tarragona--Congresses.
Tarragona (Spain)--Antiquities, Roman--Congresses.
Urban archaeology--Spain--Congresses.
Princeton subject headings: