Columbia subject headings:
Harvard subject headings:
Carrara (Italy)--History--Congresses.
Massa (Italy)--History--Congresses.
Massa-Carrara (Italy : Province)--Church history--Congresses.
Massa-Carrara (Italy : Province)--History--Congresses.
Princeton subject headings:
Massa-Carrara (Italy : Province)--Church history--Congresses.
Massa-Carrara (Italy : Province)--History--Congresses.