Columbia subject headings:
Excavations (Archaeology)--Portugal--Congresses.
Excavations (Archaeology)--Spain--Congresses.
Portugal--Antiquities--Congresses.
Pottery, Portuguese--Congresses.
Pottery--Spain--Congresses.
Romans--Portugal--Congresses.
Romans--Spain--Congresses.
Spain--Antiquities--Congresses.
Harvard subject headings:
Excavations (Archaeology)--Portugal--Congresses.
Excavations (Archaeology)--Spain--Congresses
Portugal--Antiquities--Congresses.
Pottery--Portugal--Congresses.
Pottery--Spain--Congresses.
Romans--Portugal--Congresses.
Romans--Spain--Congresses
Spain--Antiquities--Congresses.
Princeton subject headings:
Excavations (Archaeology)--Portugal--Congresses.
Excavations (Archaeology)--Spain--Congresses.
Portugal--Antiquities, Roman--Congresses.
Pottery, Roman--Portugal--Congresses.
Pottery, Roman--Spain--Congresses.
Romans--Portugal--Antiquities--Congresses.
Romans--Spain--Antiquities--Congresses.
Spain--Antiquities, Roman--Congresses.