Columbia subject headings:
Petrarca, Francesco, 1304-1374--Influence.
Spanish poetry--Classical period, 1500-1700--History and criticism.
Harvard subject headings:
Spanish poetry--Classical period, 1500-1700--History and criticism
Princeton subject headings:
Petrarca, Francesco, 1304-1374--Influence.
Spanish poetry--Classical period, 1500-1700--History and criticism.