Columbia subject headings:
Church correspondence--History--To 1500.
Civilization, Medieval.
Diplomatic documents--History--To 1500.
Europe--Intellectual life--To 1500.
Latin letters, Medieval and modern--History and criticism--Congresses.
Latin letters, Medieval and modern--Iberian Peninsula--History and criticism--Congresses.
Letter writing, Latin--Europe--History--To 1500.
Harvard subject headings:
Church correspondence--History--To 1500--Congresses.
Civilization, Medieval--Congresses
Diplomatic documents--History--To 1500--Congresses.
Europe--Intellectual life--To 1500--Congresses.
Latin letters, Medieval and modern--History and criticism--Congresses.
Latin letters, Medieval and modern--Iberian Peninsula--History and criticism--Congresses.
Letter writing, Latin--Europe--History--To 1500--Congresses.
Letter writing--Europe--History--To 1500--Congresses.
Letters--History and criticism--Congresses.
Princeton subject headings:
Church correspondence--History--To 1500--Congresses.
Civilization, Medieval--Congresses.
Diplomatic documents--History--To 1500--Congresses.
Europe--Intellectual life--To 1500--Congresses.
Latin letters, Medieval and modern--History and criticism--Congresses.
Latin letters, Medieval and modern--Iberian Peninsula--History and criticism--Congresses.
Letter writing, Latin--Europe--History--To 1500--Congresses.
Letter writing--Europe--History--To 1500--Congresses.
Letters--History and criticism--Congresses.