Epics and Folktales (Anonymous)
- Officer, The Prussian
- Practical Reason, Critique of
- Practice of the Presence of God, The
- Pragmatism
- Praise of Folly, The
- Prayer, The Book of Common
- Prayer For My Daughter, A
- Preface to the Treatise on the Vacuum
- Prejudice, Pride and
- Prelude (Wordsworth)
- Pretentious Young Ladies, The
- Price, and Profit; Value,
- Pride and Prejudice
- Priesthood, On the
- Prince, The
- Prince of Abyssinia, The
- Prince and the Pauper, The
- Princess, A Little
- Principia
- Principle, The Poetic
- Principles, Essay Concerning Certain False
- Principles of Geology
- Principles of Government
- Principles of Human Knowledge, The
- Principles of the Metaphysics of Morals, Fundamental
- Principles of Morals, First
- Principles of Morals, An Inquiry Concerning the
- Principles of Morals and Legislation, Introduction to the
- Principles of Natural Philosophy, Mathematical
- Principles of Nature, On the
- Principles of Psychology, The
- Principles of War
- Prior Analytics
- Probabilities, Correspondence with Fermat on the Theory of
- Problems, On the Method of Mechanical
- Problems of Philosophy, The
- Profession of Faith of a Savoyard Vicar
- Profit; Value, Price, and
- Prognostics, The Book of
- Progress, An Outpost of
- Progress, Pilgrim's
- Prolegomena
- Prometheus Bound
- Prometheus Unbound
- Prophesying by Dreams, On
- Proposal, A Modest
- Propyläen, Introduction to the
- Proslogium
- Prospects of Psychoanalytic Therapy, The Future
- Protagoras
- Protestant Ethic and the Spirit of Capitalism, The
- Prothalamion
- Provincial Letters
- Prufrock, The Love Song of J. Alfred
- Prussian Officer, The
- Psyché
- Psychoanalysis, A General Introduction to
- Psychoanalysis, Introductory Lectures on
- Psychoanalysis, New Introductory Lectures on
- Psychoanalysis, Observations on "Wild"
- Psychoanalysis, The Origin and Development of
- Psychoanalytic Therapy, The Future Prospects of
- Psychology, The Principles of
- Psychology and the Analysis of the Ego, Group
- Psychopathology of Everyday Life
- Punishment, Crime and
- Pure Reason, Critique of
- Purgatorio
- Purloined Letter, The
- Pygmalion
- Pythian Odes
- Pythocles, Letter to
- Unbound, Prometheus