• A.J. Freddoso, H. Schuurman (trans.), Ockham’s Theory of Propositions: Part II of the Summa Logicae (Notre Dame: 1980).

• M.J. Loux, Ockham’s Theory of Terms: Part I of the Summa Logicae (Notre Dame: 1974).

• M.J. Loux, “Significatio and Suppositio: Reflections on Ockham’s Semantics,” New Scholasticism 53 (1979), 407-27.

• A. Maurer, The Philosophy of William of Ockham in the Light of its Principles (Toronto: 1999).

• M. McCord Adams, “Ockham’s Nominalism and Unreal Entities,” Philosophical Review 86 (1977), 144-76.

• M. McCord Adams, William Ockham, 2 vols (Notre Dame: 1987).

• C. Panaccio, Ockham on Concepts (Aldershot: 2004).

• D. Perler, “Things in the Mind: Fourteenth-Century Controversies Over ‘Intelligible Species’,” Vivarium 34 (1996), 231-53.

• S. Read, “The Objective Being of Ockham’s Ficta,” Philosophical Quarterly 27 (1977), 14-31.

• K.H. Tachau, Vision and Certitude in the Age of Ockham (Leiden: 1988).

Thanks to Susan Brower-Toland for help with this episode!