Columbia subject headings:
Inscriptions, Latin--Portugal--Vipasca.
Mines and mineral resources--Portugal--Aljustrel.
Mining engineering--History.
Harvard subject headings:
Aljustrel (Beja, Portugal)--Antiquities, Roman.
Bronzes--Portugal--Aljustrel (Baja)
Inscriptions, Latin--Portugal--Aljustrel (Beja)
Mines and mineral resources--Portugal--Aljustrel (Beja)--History.
Portugal--Antiquities, Roman.
Romans--Portugal--Aljustrel (Beja)
Princeton subject headings: