1. Abelard, Peter. “Prologue to the Yes and No.” In Medieval Literary Theory and Criticism c. 1100–c. 1375. The Commentary Tradition, edited by Alastair J. Minnis, A. B. Scott, and David Wallace. Oxford: Clarendon Press, 1988.
2. Abelard, Peter. Sic et non. Prologus. In Patrologia Latina, vol. 178, edited by Jacques-Paul Migne. Paris: Garnier Frères, 1855.
3. Acta Conciliorum et Epistolae Decretales. T. VI 1 ab anno DCCCLXXII. ad annum MLXXXV. Paris: Ex Typographia Regia, 1714.
4. de l’Isle, Alan. De planctu naturae. In Patrologia Latina, vol. 210, edited by Jacques-Paul Migne. Paris: Garnier Frères, 1855.
5. Ambrose of Milan. De excessu fratris sui Satyrus, II 34. In Patrologia Latina, vol. 16, edited by Jacques-Paul Migne. Paris: Garnier Frères, 1845.