References
- Aubrey, Elizabeth. The Music of the Troubadours. Indiana University Press, 1996. ISBN 0-253-21389-4.
- Egan, Margarita, ed. and trans. The Vidas of the Troubadours. New York: Garland, 1984. ISBN 0-8240-9437-9.
- Lavaud, R. (1957). Poésies complètes du troubadour Peire Cardenal. Toulouse: Bibliothèque méridionale, 2e série, 34.
- Boutiere, J. and Schutz, A.-H., Biographies des troubadours. Paris, 1954.
- Throop, Palmer A. "Criticism of Papal Crusade Policy in Old French and Provençal." Speculum, 13:4 (Oct., 1938), pp. 379–412.
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