Columbia subject headings:
Berceo, Gonzalo de, active 13th century--Criticism and interpretation.
Saints.
Harvard subject headings:
Berceo, Gonzalo de, active 13th century--Criticism and interpretation.
Christian hagiography--History--To 1500.
Christian saints.
Gonzalo de Berco, active 13th century--Criticism and interpretation.
Saints.
Princeton subject headings:
Berceo, Gonzalo de, active 13th century--Criticism and interpretation.
Saints.