- Stanford Encylopedia of Philosophy: Peter Abelard
- Internet Encycylopedia of Philosophy: Peter Abelard (1079-1142)
- Anglican Blog: Peter Ablelard, Abbot, Theologian, Philosopher
- Fordham U.: Medieval Sourcebook: Peter Abelard: Historia Calamitatum (Story of My Misfortunes)
- Encyclopedia Britannica: Peter Abelard: French Theologian and Poet
- Christian Classic Ethereal Library: Peter Abelard: Philosopher & Theologian
- Wikipedia: Peter Abelard
- Wikipedia: Scholasticism
- Wikipedia: Sic et Non