Columbia subject headings:
Italian literature--History and criticism.
Portuguese literature--History and criticism.
Romance-language literature--History and criticism.
Spanish literature--History and criticism.
Troubadours.
Harvard subject headings:
Italian literature--History and criticism
Portuguese literature--History and criticism.
Romance-language literature--History and criticism.
Spanish literature--History and criticism
Troubadours
Princeton subject headings:
Italian literature--History and criticism.
Portuguese literature--History and criticism.
Romance-language literature--History and criticism.
Spanish literature--History and criticism.
Troubadours.