Columbia subject headings:
Ayala, Francisco, 1906-2009--Criticism and interpretation.
Cervantes Saavedra, Miguel de, 1547-1616--Influence.
Harvard subject headings:
Ayala, Francisco, 1906---Criticism and interpretation.
Cervantes Saavedra, Miguel de, 1547-1616--Influence.
Princeton subject headings:
Ayala, Francisco, 1906-2009--Criticism and interpretation.
Cervantes Saavedra, Miguel de, 1547-1616--Influence.