Works of/about the following authors are included:

Abelard
Adorno, Theodor W.
Agamben, Giorgio
Alain
Alembert, Jean Le Rond d'
Althusser, Louis
Anselm
Aquinas, St. Thomas
Arendt, Hannah
Aristotle
Augustine of Hippo, St
Austin, J. L. 
Averroes (Ibn Rushd)
Bachelard, Gaston
Bacon, Francis
Badiou, Alain
Bakunin, Mikhail
Balmes, Jaume
Barthes, Roland
Bataille, Georges
Baudrillard, Jean
Beauvoir, Simone de
Benjamin, Walter
Bentham, Jeremy
Bergson, Henri
Berkeley, George
Blanchot, Maurice
Bobbio, Norberto
Boethius
Bossuet, AbbŽ de
Bourdieu, Pierre
Brentano, Franz
Burke, Edmund
Butler, Judith
Camus, Albert
Canguilhem, Georges
Carnap, Rudolf
Cassirer, Ernst
Cavell, Stanley
Certeau, Michel de
Chomsky, Noam
Cicero, Marcus Tullius
Cioran, Emil
Comte, Auguste
Condillac, ƒtienne Bonnot de
Confucius
Constant, Benjamin
Croce, Benedetto
Cusanus, Nicolaus
Darwin, Charles
Davidson, Donald
Debord, Guy
Deleuze, Gilles
Dennett, Daniel C.
Derrida, Jacques
Descartes, RenŽ
Dewey, John
Diderot, Denis
Duns Scotus
Eckhart, Meister
Emerson, Ralph Waldo 
Engels, Friedrich
Epictetus
Epicurus
Erasmus, Desiderius
Evans, Gareth
Ferrater Mora, Josep
Feyerabend, Paul
Fichte, Johann Gottlieb
Fodor, Jerry
Foucault, Michel
Frege, Gottlob
Freud, Sigmund
Fromm, Erich
Gadamer, Hans-Georg
Gandhi, Mohandas
Gellner, Ernest
Gramsci, Antonio
Habermas, Jurgen
Haraway, Donna
Hegel, G. W. F
Heidegger, Martin
Hilbert, David
Hobbes, Thomas
Hume, David
Husserl, Edmund
Jacobi, Friedrich Heinrich
James, William
Jaspers, Karl
Jonas, Hans
Jung, Karl Gustav
Kant, Immanuel
Kierkegaard, Sšren
Kripke, Saul
Krishnamurti, Jiddu
Kristeva, Julia
Kropotkin, Peter
Kuhn, Thomas S.
La Rochefoucauld
Lacan, Jacques
Laing, R. D.
Lakatos, Imre
Lao Tzu
Leibniz, Gottfried Wilhelm
LŽvi-Strauss, Claude
Levinas, Emmanuel
Llull, Ramon
Locke, John
Lucretius
Lukacs, Georg
Lyotard, Jean Franois
Machiavelli, Nicolo
Macintyre, Alasdair
Maimonides
Malebranche, Nicolas
Malthus, Thomas-Robert
Marcus Aurelius
Marcuse, Herbert
Mar’as, Juli‡n
Marx, Karl
Merleau-Ponty, Maurice
Midgley, Mary
Mill, John Stuart
Montaigne, Michel de
Montesquieu, Baron de
Moore, G. E.
More, Thomas
Nancy, Jean-Luc
Negri, Antonio
Newton, Isaac
Nietzsche, Friedrich
Ockham, William
Onfray, Michel
Ortega y Gasset, JosŽ
Paine, Thomas
Pascal, Blaise
Peirce, Charles Sanders
Piaget, Jean
Plantinga, Alvin
Plato
Plotinus
PoincarŽ, Henri
Popper, Karl
Pre-socratic philosophers
Proudhon, Pierre-Joseph
Putnam, Hilary
Quine, W. V. O
Rawls, John
Reid, Thomas
Ricoeur, Paul
Rorty, Richard
Rousseau, Jean-Jacques
Russell, Bertrand
Ryle, Gilbert
Santayana, George
Sartre, Jean-Paul
Saussure, Ferdinand de
Savater, Fernando
Scheler, Max
Schelling, Friedrich
Schiller, Friedrich von
Schleiermacher, Friedrich
Schopenhauer, Arthur
Searle, John
Sellars, Wilfrid
Seneca
Sennett, Richard
Serres, Michel
Sextus Empiricus
Shaftesbury, Anthony Ashley Cooper
Smith, Adam
Spinoza, Baruch
Steiner, Rudolf
Stirner, Max
Strauss, Leo
Strawson, Peter Frederick
Tarski, Alfred
Thoreau, Henry David
Tocqueville, Alexandre de
Unamuno, Miguel de
Vattimo, Gianni
Vico, Giambattista
Vinci, Leonardo da
Virilio, Paul
Voltaire
Weil, Simone
Williams, Bernard
Wittgenstein, Ludwig
Zambrano, Mar’a
Zizek, Slavoj