Columbia subject headings:
Heredia, Juan Fernández de, 1310?-1396--Criticism and interpretation--Congresses.
Spanish language--Spain--Aragon--History and criticism--Congresses.
Spanish language--To 1500--Congresses.
Spanish literature--Spain--Aragon--History and criticism--Congresses.
Spanish literature--To 1500--History and criticism--Congresses.
Harvard subject headings:
Heredia, Juan Fernández de, 1310?-1396--Criticism and interpretation--Congresses.
Spanish language--Spain--Aragon--History and criticism--Congresses.
Spanish language--To 1500--Congresses.
Spanish literature--Spain--Aragon--History and criticism--Congresses.
Spanish literature--To 1500--History and criticism--Congresses
Princeton subject headings:
Heredia, Juan Fernández de, 1310?-1396--Criticism and interpretation--Congresses.
Spanish language--Spain--Aragon--History and criticism--Congresses.
Spanish language--To 1500--Congresses.
Spanish literature--Spain--Aragon--History and criticism--Congresses.
Spanish literature--To 1500--History and criticism--Congresses.