Columbia subject headings:
Harvard subject headings:
Catholic Church--Italy--Lucca--History--Congresses.
Crosses--Italy--Lucca--Congresses.
Lucca (Italy)--Church history--Congresses.
Lucca (Italy)--Religious life and customs--Congresses.
Volto Santo (Crucifix)--Congresses.
Princeton subject headings:
Catholic Church--Italy--Lucca--History--Congresses.
Crosses--Italy--Lucca--Congresses.
Lucca (Italy)--Church history--Congresses.
Lucca (Italy)--Religious life and customs--Congresses.
Volto Santo (Crucifix)--Congresses.