Columbia subject headings:
Catalan literature--To 1500--History and criticism--Congresses.
Portuguese literature--To 1500--History and criticism--Congresses.
Spanish literature--To 1500--History and criticism--Congresses.
Harvard subject headings:
Catalan literature--To 1500--History and criticism--Congresses.
Portuguese literature--To 1500--History and criticism--Congresses.
Spanish literature--To 1500--History and criticism--Congresses
Princeton subject headings:
Portuguese literature--To 1500--History and criticism--Congresses.
Spanish literature--To 1500--History and criticism--Congresses.