Columbia subject headings:
Archivio storico diocesano di Lucca--Catalogs.
Popes--Heraldry.
Seals (Numismatics)--Italy--Lucca--Catalogs.
Seals (Numismatics)--Italy--Rome--Catalogs.
Harvard subject headings:
Archivio storico diocesano di Lucca--Catalogs.
Popes--Heraldry
Seals (Numismatics)--Italy--Lucca--Catalogs.
Seals (Numismatics)--Italy--Rome--Catalogs.
Princeton subject headings: