Out of My Life (Aus meinem Leben) (1920) by Paul von Hindenburg
	Out of the Crisis (1982) by W. Edwards Deming
	Outerbridge Reach (1992) by Robert Stone
	Outlandish Proverbs (1640) by George Herbert
	Outlaw Machine: Harley-Davidson and the Search for the American Soul (1999) by Brock Yates
	Outspoken Essays (1919) by Dean Inge
	Over the Top: Moving from Survival to Stability, from Stability to Success, from Success to Significance (1994) by Zig Ziglar
	P.S. I Love You (2000) by H. Jackson Brown, Jr.
	Pacific Edge (1990) by Kim Stanley Robinson
	Pale Blue Dot: A Vision of the Human Future in Space (1994) by Carl Sagan
	Pale Fire (1962) by Vladimir Nabokov
	Palestine (1993) by Joe Sacco
	Panic Encyclopedia: The Definitive Guide to the Postmodern Scene (1989) by Arthur Kroker
	Paracelsus (1835) by Robert Browning
	Paradigms: The Business of Discovering the Future (1992) by Joel A. Barker
	Paradise Lost (1667) by John Milton
	Paradise Regained (1671) by John Milton
	Paradiso (1320) by Dante Alighieri
	Parallel Lives (100) by Plutarch
	Parallèlement (1889) by Paul Verlaine
	Parerga and Paralipomena (1851) by Arthur Schopenhauer
	Parlement of Foules (Parliament of Fowls) (1382) by Geoffrey Chaucer
	Parmelian Prints of the High Sierras (1927) by Ansel Adams
	Paroles (1945) by Jacques Prevert
	Parting Ways: Jewishness and the Critique of Zionism (2012) by Judith Butler
	Parts of a World (1942) by Wallace Stevens
	Past and Present (1843) by Thomas Carlyle
	Patterns of Culture (1934) by Ruth Benedict
	Paul Faber, Surgeon (1879) by George MacDonald
	Paul Revere's Ride (1860) by Henry W. Longfellow
	Paul Revere's Ride (1861) by Henry Wadsworth Longfellow
	Pauline (1833) by Robert Browning
	Peace (1975) by Gene Wolfe
	Peddlers and Princes: Social Development and Economic Change in Two Indonesian Towns (1963) by Clifford Geertz
	Pencillings by the Way (1835) by Nathaniel Parker Willis
	Pensées (1670) by Blaise Pascal
	Père Goriot (1835) by Honore de Balzac
	Performative Acts and Gender Constitution: An Essay in Phenomenology and Feminist Theory (1988) by Judith Butler
	Perikeiromene (-315) by Menander
	Peril (2021) by Bob Woodward
	Peril at End House (1932) by Agatha Christie
	Period. End of Sentence. (2020) by Anita Diament
	Permanence and Change (1935) by Kenneth Burke
	Personae (1909) by Ezra Pound
	Personal Knowledge (1958) by Michael Polanyi
	Persons and Places (1944) by George Santayana
	Persuasion (1817) by Jane Austen
	Peter Camenzind (1904) by Hermann Hesse
	Phaedo (-360) by Plato
	Phaedrus (-370) by Plato
	Phantasmagoria and Other Poems (1869) by Lewis Carroll
	Phenomenal Woman: Four Poems Celebrating Women (1995) by Maya Angelou
	Phenomenology of Spirit (1807) by Georg Wilhelm Friedrich Hegel
	Philadelphia: The Place and the People (1898) by Agnes Repplier
	Philosopher at Large: An Intellectual Autobiography (1977) by Mortimer Adler
	Philosophical Dictionary (1764) by Voltaire
	Philosophical Explanations (1981) by Robert Nozick
	Philosophical Papers (1959) by George Edward Moore
	Philosophical Papers: Volume 1, Mathematics, Matter and Method (1979) by Hilary Putnam
	Philosophical Papers: Volume 2, Mind, Language and Reality (1975) by Hilary Putnam
	Philosophical Troubles: Collected Papers, Volume 1 (2011) by Saul Kripke
	Philosophische Untersuchungen (1953) by Ludwig Wittgenstein
	Philosophy of Logic (1971) by Hilary Putnam
	PHP Pocket Reference (2000) by Rasmus Lerdorf
	Physical Basis Of Mind (1877) by George Henry Lewes
	Physics and Philosophy: The Revolution in Modern Science (1958) by Werner Heisenberg
	Physics and Politics (1872) by Walter Bagehot
	Pictures of Fidelman (1969) by Bernard Malamud
	Picture-Show (1919) by Siegfried Sassoon
	Piedra de sol (1957) by Octavio Paz
	Pierre Curie (1923) by Marie Curie
	Pigs in Heaven (1993) by Barbara Kingsolver
	Pilgrim at Tinker Creek (1974) by Annie Dillard
	Pioneer Girl: The Annotated Autobiography (2014) by Laura Ingalls Wilder
	Pipe Dream (1955) by Oscar Hammerstein
	Pippa Passes (1841) by Robert Browning
	Plain Tales from the Hills (1888) by Rudyard Kipling
	Plan of Attack (2004) by Bob Woodward
	Players (1977) by Don DeLillo
	Plutus (Wealth) (-388) by Aristophanes
	Poèmes saturniens (1866) by Paul Verlaine
	Poems (1893) by Alice Meynell
	Poems (1922) by Isaac Rosenberg
	Poems (1896) by Lord Alfred Douglas
	Poems (1853) by Matthew Arnold
	Poems (1930) by W. H. Auden
	Poems (1645) (1645) by John Milton
	Poems (1796) (1796) by Robert Southey
	Poems (early) (1870) by Arthur Rimbaud
	Poems (expanded editions) (1832) by William C. Bryant
	Poems (first edition) (1821) by William C. Bryant
	Poems and Ballads (1866) by Algernon Charles Swinburne
	Poems and Ballads, Second Series (1878) by Algernon Charles Swinburne
	Poems and Ballads, Third Series (1889) by Algernon Charles Swinburne
	Poems and Translations (1874) by Emma Lazarus
	Poems by Currer, Ellis, and Acton Bell (1846) by Charlotte Bronte
	Poems by Currer, Ellis, and Acton Bell (1846) by Emily Bronte
	Poems by Emily Dickinson: First Series (1890) by Emily Dickinson
	Poems by Emily Dickinson: Second Series (1891) by Emily Dickinson
	Poems by Emily Dickinson: Third Series (1896) by Emily Dickinson
	Poems in Two Volumes (1807) by William Wordsworth
	Poems of Passion (1883) by Ella Wheeler Wilcox
	Poems of Religion and Society (1850) by John Quincy Adams
	Poems of the Late Francis Scott Key, Esq. (1857) by Francis Scott Key
	Poems of the Past and the Present (1901) by Thomas Hardy
	Poems on Several Occasions (1711) by John Gay
	Poésies (1830) by Theophile Gautier
	Poet in New York (1940) by Federico Garcia Lorca
	Poetry Notebook: Reflections on the Intensity of Language (2015) by Clive James
	Point Omega (2010) by Don DeLillo
	Polly (1729) by John Gay
	Polonius: A Collection of Wise Saws and Modern Instances (1852) by Edward Fitzgerald
	Poor Fellow My Country (1975) by Xavier Herbert
	Popular Astronomy (1878) by Simon Newcomb
	Popular Education: For the Use of Parents and Teachers, and for Young Persons of Both Sexes (1836) by William Edward Hickson
	Positions (1972) by Jacques Derrida
	Positive Humanism: A Primer (2014) by Bo Bennett
	Possible Poems (1966) by Jose Saramago
	Post-Capitalist Society (1993) by Peter Drucker
	Postern of Fate (1973) by Agatha Christie
	Poverty and Famines: An Essay on Entitlement and Deprivation (1981) by Amartya Sen
	Powershift: Knowledge, Wealth, and Power at the Edge of the 21st Century (1990) by Alvin Toffler
	Practical Ethics (1979) by Peter Singer
	Practice of Yoga (1958) by Swami Sivananda
	Pragmatism: A New Name for Some Old Ways of Thinking (1907) by William James
	Praise to the End! (1950) by Theodore Roethke
	Prediction and Entropy of Printed English (1951) by Claude Shannon
	Preludes (1875) by Alice Meynell
	Presentation Piece (1974) by Marilyn Hacker
	Pride and Prejudice (1813) by Jane Austen
	Primal Leadership: Unleashing the Power of Emotional Intelligence (2002) by Daniel Goleman
	Primitive Art (1927) by Franz Boas
	Principal Doctrines (-300) by Epicurus
	Principia Ethica (1903) by George Edward Moore
	Principia Mathematica (1910) by Alfred North Whitehead
	Principia Mathematica (1910) by Bertrand Russell
	Principle-Centered Leadership (1991) by Stephen Covey
	Principles of Mining (1909) by Herbert Hoover
	Principles of Moral and Political Science (1792) by Adam Ferguson
	Principles of Philosophy (1644) by Rene Descartes
	Prisms (1955) by Theodor Adorno
	Prison (1992) by Steven Jesse Bernstein
	Privacy on the Line: The Politics of Wiretapping and Encryption (1998) by Whitfield Diffie
	Probabilistic Logics and the Synthesis of Reliable Organisms from Unreliable Components (1956) by John von Neumann
	Problems Of Life and Mind (1874) by George Henry Lewes
	Problems of the Self (1973) by Bernard Williams
	Process and Reality (1929) by Alfred North Whitehead
	Prodigal Summer (2000) by Barbara Kingsolver
	Profiles in Courage (1956) by John F. Kennedy
	Programming PHP (2002) by Rasmus Lerdorf
	Progress and Religion (1929) by Christopher Dawson
	Prolegomena to Any Future Metaphysics (1783) by Immanuel Kant
	Proof of an External World (1939) by George Edward Moore
	Proverbial Philosophy (1838) by Martin Farquhar Tupper
	Prufrock and Other Observations (1917) by T. S. Eliot
	Psychoanalysis of Fire (1938) by Gaston Bachelard
	Psychotherapy East and West (1961) by Alan Watts
	Public Opinion (1922) by Walter Lippmann
	Public Papers and Addresses of Franklin D. Roosevelt (1938) by Franklin D. Roosevelt
	Punisher MAX (2004) by Garth Ennis
	Pure Immanence: Essays on A Life (2001) by Benjamin Cohen
	Purgatorio (1319) by Dante Alighieri
	Purgatorio (translation of Dante's Divine Comedy: Purgatorio) (1955) by Dorothy L. Sayers
	Pushing to the Front (1894) by Orison Swett Marden
	Putting People First: How We Can All Change America (1992) by William J. Clinton
	Pyrrhus and Cinéas (1944) by Simone de Beauvoir
	Pythian Odes (-500) by Pindar
	Quality Is Free (1979) by Phil Crosby
	Quality Is Still Free (1996) by Phil Crosby
	Quality Without Tears (1984) by Phil Crosby
	Quantised Singularities in the Electromagnetic Field (1931) by Paul Dirac
	Quantum Healing (1989) by Deepak Chopra
	Quantum Physics and Theology: An Unexpected Kinship (2005) by John Polkinghorne
	Quantum Psychology: How Brain Software Programs You and Your World (1990) by Robert Anton Wilson
	Quichotte (2019) by Salman Rushdie
	Quidditch Through the Ages (2001) by J. K. Rowling
	Quoof (1983) by Paul Muldoon
	Rabble-Rouser for Peace: The Authorized Biography of Desmond Tutu (2006) by Desmond Tutu
	Race and History (1952) by Claude Levi-Strauss
	Race, Language and Culture (1940) by Franz Boas
	Rachel and Her Children: Homeless Families in America (1988) by Jonathan Kozol
	Radical Abundance: How a Revolution in Nanotechnology Will Change Civilization (2013) by K. Eric Drexler
	Rainbow Six (1998) by Tom Clancy
	Raise High the Roof Beam, Carpenters and Seymour: An Introduction (1963) by J.D. Salinger
	Raised from the Ground (1980) by Jose Saramago
	Ramanujan: Twelve Lectures on Subjects Suggested by His Life and Work (1940) by G. H. Hardy
	Rameau's Nephew (1761) by Denis Diderot
	Ramses the Damned: The Passion of Cleopatra (2017) by Anne Rice
	Random Reminiscences of Men and Events (1909) by John D. Rockefeller
	Rapture (2005) by Carol Ann Duffy
	Rationality and Freedom (2002) by Amartya Sen
	Ratnavali (200) by Nagarjuna