Columbia subject headings:
Harvard subject headings:
Catholic Church. Diocese of Ferentino (Italy)--History--Congresses.
Frosinone (Italy : Province)--Church history--Congresses.
Galassi, Silvio--Congresses.
Visitations, Ecclesiastical--Italy--Frosinone (Province)
Princeton subject headings:
Catholic Church. Diocese of Ferentino (Italy)--History--Congresses.
Ferentino (Italy)--Church history--Congresses.
Frosinone (Italy : Province)--Church history--Congresses.
Galassi, Silvio--Congresses.
Visitations, Ecclesiastical--Italy--Ferentino.
Visitations, Ecclesiastical--Italy--Frosinone (Province).