Columbia subject headings:
Diplomatic documents--History--To 1500--Congresses.
European letters--History and criticism--Congresses.
Latin letters, Medieval and modern--History and criticism--Congresses.
Rhetoric--Political aspects--History--Congresses.
Harvard subject headings:
Princeton subject headings:
Diplomatic documents--History--To 1500--Congresses.
European letters--History and criticism--Congresses.
Latin letters, Medieval and modern--History and criticism--Congresses.
Rhetoric--Political aspects--History--Congresses.