| Al-Ghazali, Abu Hamid@ (7) |
| Alston, William P.@ (6) |
| Arcesilaus@ (3) |
| Aristotle@ (69) |
| Bachelard, Gaston@ (2) |
| Bayle, Pierre@ (10) |
| Berkeley, George@ (18) |
| Davidson, Donald@ (3) |
| Descartes, René@ (34) |
| Feyerabend, Paul@ (3) |
| Foucault, Michel@ (20) |
| Gettier, Edmund@ (5) |
| Hegel@ (45) |
| Heidegger, Martin@ (27) | |
| Hempel, Carl Gustav@ (7) |
| Hume, David@ (24) |
| Husserl, Edmund@ (25) |
| Kant, Immanuel@ (48) |
| Lewis, Clarence Irving@ (5) |
| Locke, John@ (35) |
| Malebranche, Nicholas@ (5) |
| Merleau-Ponty, Maurice@ (12) |
| Ortega y Gasset, José@ (10) |
| Putnam, Hilary@ (7) |
| Quine, Willard Van Orman@ (11) |
| Reid, Thomas@ (9) |
| Rorty, Richard@ (12) |
| Sanchez, Francisco@ (2) |
| Sellars, Wilfrid@ (7) | |