Columbia subject headings:
Marble industry and trade--Spain--Tarragona--History.
Marble--Spain--Tarragona--History.
Tarragona (Spain)--Antiquities, Roman.
Harvard subject headings:
Marble industry and trade--Spain--Tarragona--History.
Marble--Spain--Tarragona--History.
Tarragona (Spain)--Antiquities, Roman.
Princeton subject headings:
Marble industry and trade--Spain--Tarragona--History.
Marble--Spain--Tarragona--History.
Tarragona (Spain)--Antiquities, Roman.