Columbia subject headings:
Formia (Italy)--Antiquities.
Formia (Italy)--Buildings, structures, etc.
Formia (Italy)--History.
Harvard subject headings:
Formia (Italy)--Buildings, structures, etc.
Princeton subject headings:
Formia (Italy)--Antiquities.
Formia (Italy)--Buildings, structures, etc.
Formia (Italy)--History.