Columbia subject headings:
Harvard subject headings:
Valera, Diego de, 1412-1487? Valeriana.
Princeton subject headings:
Spain--History--Sources.
Spanish literature--To 1500--History and criticism.
Spanish literature--To 1500.
Valera, Diego de, 1412-1487? Crónica de España.
Valera, Diego de, 1412-1487? Valeriana.
Valera, Diego de, 1412-1487?--Criticism and interpretation.