Columbia subject headings:
Harvard subject headings:
Administrative agencies--Europe--Records and correspondence--Congresses.
Chanceries, Diocesan--Europe--Records and correspondence--Congresses.
Diplomatics--Europe--Congresses.
Diplomatics--History--Congresses.
Europe--Charters, grants, privileges--History--Congresses.
Europe--Politics and government--Congresses
Notaries--Europe--History--Congresses.
Princeton subject headings:
Administrative agencies--Europe--Records and correspondence--Congresses.
Chanceries, Diocesan--EuropeRecords and correspondence--Congresses.
Diplomatics--Europe--Congresses.
Europe--Charters, grants, privileges--History--Congresses.
Europe--Politics and government--Congresses.
Notaries--Europe--History--Congresses.