Other authors: Aristoteles (Contributor), John Langshaw Austin (Contributor), George Berkeley (Contributor), Brand Blanshard (Contributor), Francis Herbert Bradley (Contributor) — 27 more, Béla von Brandenstein (Contributor), Charlie Dunbar Broad (Contributor), Antoine Augustin Cournot (Contributor), René Descartes (Contributor), Alfred Cyril Ewing (Contributor), Eduard von Hartmann (Contributor), Nicolai Hartmann (Contributor), Martin Heidegger (Contributor), John Hospers (Contributor), David Hume (Contributor), Edmund Husserl (Contributor), William James (Contributor), Karl Jaspers (Contributor), Louis Lavelle (Contributor), Morris Lazerowitz (Contributor), Gottfried Wilhelm Leibniz (Contributor), John Locke (Contributor), Hermann Lotze (Contributor), Arthur Oncken Lovejoy (Contributor), Ernest Nagel (Contributor), Ákos von Pauler (Contributor), Charles Sander Peirce (Contributor), Plato (Contributor), Johannes Rehmke (Contributor), Eugenio Rignano (Contributor), Moritz Schlick (Contributor), John Cook Wilson (Contributor)