- Laertius, Diogenes
- Lives and Opinions of Eminent Philosophers, trans. R. D. Hicks (Loeb Classical Library, 1925).
- Laird, John
- A Study in Moral Theory (Allen and Unwin, 1926).
- The Idea of Value (Cambridge, 1929).
- "Rationalism in Ethics," Journal of Philosophical Studies 4 (1929).
- "On Doing One's Best," Philosophy 6 (1931).
- An Inquiry into Moral Notions (Allen & Unwin, 1935).
- "Other People's Pleasure and One's Own," Philosophy 16 (1941).
- Lamont, W. D.
- "Justice: Distributive and Collective," Philosophy 16 (1941).
- "Duty and Interest," Philosophy 16, 17 (1941, 1942).
- Land, Edwin
- "Experiments in Color Vision," Scientific American 5 (1959).
- "Retinex Theory of Color Vision," Scientific American 12 (1977).
- Langer, Suzanne K. (1895-1985)
- Philosophy in a New Key: A Study in the Symbolism of Reason, Rite, and Art (Harvard University Press, 1942; 3rd ed., 1951).
- Langford, Cooper Harold
- "The Notion of Analysis in Moore," in The Philosophy of G. E. Moore, ed. Schilpp (Northwestern University Press, 1942).
- "The Institutional Use of the word 'the'," Philosophy and Phenomenological Research 10 (1949): 114-120.
- Lawrence, Nathaniel
- "Time Represented as Space," Monist 53, No. 3 (July 1969). Reprinted in Basic Issues In The Philosophy of Time, ed. Eugene Freeman and Wilfrid Sellars (Open Court, 1971).
- Lazerowitz, M.
- "The Existence of Universals," Mind 55, 1946.
- LeBlanc, Hughes
- Statistical and Inductive Probability (New York, 1963).
- Lehrer, Keith
- "Decisions and Causes," Philosophical Review 71 (1963): 224-7. Reprinted in New Readings in Philosophical Analysis, ed. H. Feigl, W. Sellars and K. Lehrer (New York: Appleton-Century-Crofts, 1972).
- ed., Freedom and Determinism (New York, 1966).
- Leibniz, Gottfried Wilhelm (1646-1716)
- Monadology (1714)
- Discourse on Metaphysics, trans. George R. Montgomery (Open Court, 1902; reprinted, 1973).
- Correspondence Between Leibniz and Arnauld, trans. George R. Montgomery (Open Court, 1902; reprinted, 1973).
- Lenzen, V. F.
- "The Hypothesis of Dualism," Philosophy of Science 6, 1939.
- "Experience and Convention," Erkenntnis 7, 1938.
- Lesniewski, Stanislaw (1886-1939)
- Lewin, Kurt
- Lewis, Clarence Irving (1883-1964)
- "The Pragmatic Conception of the a Priori, " The Journal of Philosophy 20, 1923. Reprinted in Readings in Philosophical Analysis, ed. H. Feigl and W. Sellars (New York: Appleton-Century-Crofts, 1949).
- Mind and the World Order: Outline of a Theory of Knowledge (Scribner's, 1929).
- (and C. H. Langford) Symbolic Logic (The Century Co., 1932); 2d ed., Dover, 1959).
- "Alternative Logics," Monist, 1932.
- "Experience and Meaning," The Philosophical Review 43, 1934. Reprinted in Readings in Philosophical Analysis, ed. Herbert Feigl and Wilfrid Sellars (Appleton-Century-Crofts, 1949).
- "Some Logical Considerations Concerning the Mental," The Journal of Philosophy 38, 1941. Reprinted in Readings in Philosophical Analysis, ed. H. Feigl and W. Sellars (New York: Appleton-Century-Crofts, 1949).
- "Symposium on Meaning and Truth," Philosophy and Phenomenological Research 4-5, 1943-44.
- An Analysis of Knowledge and Valuation (Open Court, 1946).
- Lewis, H. D.
- "Is There a Social Contract?" Philosophy 15, 1940.
- "Obedience to Conscience," Mind 54, 1945.
- "Moral Freedom in Recent Ethics," Proceedings of the Aristotelian Society 47, 1947-8. Reprinted in Readings in Ethical Theory, ed. Wilfrid Sellars and John Hospers (New York: Appleton-Century-Crofts, 1952).
- "Guilt and Freedom," Proceedings of the Aristotelian Society, Supplementary Volume 21, 1947. Reprinted in Readings in Ethical Theory, ed. Wilfrid Sellars and John Hospers (New York: Appleton-Century-Crofts, 1952).
- "Does the Good Will Define Its Own Content?" Ethics 58, 1947-8.
- "Collective Responsibility," Philosophy 23, 1948.
- Morals and Revelation (Allen & Unwin, 1951).
- Lewy, C.
- Review of Carnap's Meaning and Necessity, Mind 58 (1949): 228-38.
- Linnell, John
- "Berkeley's Critique of Abstract Ideas," Ph.D. dissertation, University of Minnesota, 1954.
- Locke, Don
- "The Trivializability of Universalizability," The Philosophical Review 78 (1968): 25-44. Reprinted in Readings in Ethical Theory, 2nd ed., ed. Wilfrid Sellars and John Hospers (New York: Appleton-Century-Crofts, 1970).
- Locke, John (1632-1704)
- Essay Concerning Human Understanding (1690)
- Loux, Michael
- "Rules, Roles, and Ontological Commitment: an Examination of Sellars' Analysis of Abstract Reference," in The Philosophy of Wilfrid Sellars: Queries and Extensions, ed. Joseph C. Pitt (Reidel, 1978).
- Sellars-Loux Correspondence
- Lovejoy, Arthur Oncken (1873-1962)
- "The Meaning of Emergence and Its Modes," Philosophy 2, 1927.
- Revolt Against Dualism (Chicago and New York, 1930).
- The Great Chain of Being (Harper & Row, 1960).
- Lukasiewicz, Jan (1878-1956) -- Polish Philosophy Page
- Aristotle's Syllogistic from the Standpoint of Modern Formal Logic (London, 1951; 2d edn., 1957).
- Lyons, David
- Forms and Limits of Utilitarianism (Clarendon Press, 1964). "Utilitarian Generalization," reprinted in Readings in Ethical Theory, 2nd ed., ed. Wilfrid Sellars and John Hospers (New York: Appleton-Century-Crofts, 1970).