Columbia subject headings:
Harvard subject headings:
Authors, Medieval--Identification--Congresses.
Authors--Identification--History--To 1500--Congresses.
Authors--Philosophy--History--Congresses.
Identity (Philosophical concept)--History--Congresses.
Literature, Medieval--History and criticism--Congresses
Princeton subject headings:
Authorship.
Identity (Psychology) in literature.
Literature, Medieval--History and criticism.