Columbia subject headings:
Latin letters, Medieval and modern--History and criticism--Congresses.
Latin literature, Medieval and modern--History and criticism--Congresses.
Letter writing in literature--Congresses.
Letter writing, Latin--History--To 1500--Congresses.
Letter writing--History--To 1500--Congresses.
Letters in literature--Congresses.
Letters--History and criticism--Congresses.
Literature, Medieval--History and criticism--Congresses.
Harvard subject headings:
French literature--To 1500--History and criticism--Congresses
Letters in literature.
Literature, Medieval--History and criticism--Congresses
Princeton subject headings: