Columbia subject headings:
Christian antiquities--Italy--Sora--Congresses.
Italy--Antiquities--Congresses.
Sora (Italy)--Antiquities--Congresses.
Harvard subject headings:
Christian antiquities--Italy--Sora--Congresses.
Sora (Italy)--Antiquities--Congresses.
Princeton subject headings:
Christian antiquities--Italy--Sora--Congresses.
Italy--Antiquities--Congresses.
Sora (Italy)--Antiquities--Congresses.