單元1：懷疑論簡介、古典懷疑論的起源：色諾芬尼、蘇格拉底與懷疑論

Vogt, K. (2014). Ancient skepticism. In E. N. Zalta (Ed.), The Stanford encyclopedia of philosophy. http://plato.stanford.edu/entries/skepticism-ancient/
Bett, R. (2010). Socratic ignorance. In D. R. Morrison (Ed.), The Cambridge companion to Socrates (pp. 215-236). Cambridge: Cambridge University Press.
Bett, R. (2006). Socrates and skepticism. In S. Ahbel-Rappe & R. Kamtekar (Eds.), A companion to Socrates (pp. 298-311). Malden, MA: Blackwell.

單元2：詭辯學派簡介、辯士：普達格拉

Barney, R. (2006). The Sophistic movement. In M. L. Gill & P. Pellegrin (Eds.), A companion to ancient philosophy (pp. 77-97). Oxford: Blackwell.

單元3：辯士：高爾吉亞

Broadie, S. (2003). The sophists and Socrates. In D. Sedley (Ed.), The Cambridge companion to Greek and Roman philosophy (pp. 73-97). Cambridge: Cambridge University Press.

單元4：懷疑論的反對者：柏拉圖

White, N. P. (1992). Plato's metaphysical epistemology. In R. Kraut (Ed.), The Cambridge companion to Plato (pp. 277-310). Cambridge: Cambridge University Press.

單元5：懷疑論的反對者：亞里斯多德

Long, A. A. (2006). Aristotle and the history of Greek scepticism. In From Epicurus to Epictetus: Studies in Hellenistic and Roman philosophy (pp. 43-69). Oxford: Clarendon.

單元6：教條主義的代表：斯多噶學派

Hankinson, R. J. (2003). Stoic Epistemology. In B. Inwood (Ed.), The Cambridge Companion to the Stoics (pp. 59-84). Cambridge: Cambridge University Press.

單元7：懷疑學派：阿克西勞斯、卡奈阿德斯

Striker, G. (2010). Academics versus Pyrrhonists, reconsidered. In R. Bett (Ed.), The Cambridge companion to ancient scepticism (pp. 195-207). Cambridge: Cambridge University Press.

單元8：皮若主義的懷疑論：薩克督斯

Pellegrin, P. (2010). Sextus Empiricus. In R. Bett (Ed.), The Cambridge companion to ancient skepticism (pp. 120-141). Cambridge: Cambridge University Press.

單元9：懷疑論的論證

Woodruff, P. (2010). The Pyrrhonian Modes. In R. Bett (Ed.), The Cambridge Companion to ancient scepticism (pp. 208-231). Cambridge: Cambridge University Press.

單元10、11：奧古斯丁的反懷疑論

Copleston, F. C. (1993). St. Augustine--II: Knowledge. In A history of philosophy: Vol. 2. Medieval philosophy (pp. 51-67). New York, NY: Doubleday.

單元12：蒙恬的懷疑論

Foglia, M. (2014). Michel de Montaigne. In E. N. Zalta (Ed.), The Stanford encyclopedia of philosophy. http://plato.stanford.edu/entries/montaigne/

單元13：笛卡兒的懷疑論

Fine, G. (2003). Subjectivity, ancient and modern: The Cyrenaics, Sextus, and Descartes. In J. Miller & B. Inwood (Eds.), Hellenistic and early modern philosophy (pp. 192-231). Cambridge: Cambridge University Press.

單元14：修謨的懷疑論

Ainslie, D. C. (2003). Hume's scepticism and ancient scepticisms. In J. Miller & B. Inwood (Eds.), Hellenistic and Early Modern philosophy (pp. 251-273). Cambridge: Cambridge University Press.