Columbia subject headings:
Books and reading--History--Congresses.
Latin literature--History and criticism--Congresses.
Libraries--History--Congresses.
Harvard subject headings:
Books and reading--History--Congresses.
Civilization, Medieval--Congresses
Latin literature--History and criticism--Congresses.
Libraries--History--Congresses.
Manuscripts, Medieval--History--Congresses.
Middle Ages--Congresses
Reading--History--To 1500--Congresses.
Writing--History--To 1500--Congresses.
Princeton subject headings:
Civilization, Medieval--Congresses.
Manuscripts, Medieval--History--Congresses.
Middle Ages--Congresses.
Reading--History--To 1500--Congresses.
Writing--History--To 1500--Congresses.