The full list

As defined by Mortimer Adler in his "How to Read a Book"

1. Homer: The Iliad, The Odyssey
2. The Old Testament
3. Aeschylus: Tragedies
4. Sophocles: Tragedies
5. Herodotus: Histories
6. Euripides: Tragedies
7. Thucydides: History of the Peloponnesian War
8. Hippocrates: Medical Writings
9. Aristophanes: Comedies
10. Plato: Dialogues
11. Aristotle: Works
12. Epicurus: "Letter to Herodotus", "Letter to Menoecus"
13. Euclid: The Elements
14. Archimedes: Works
15. Apollonius: The Conic Sections
16. Cicero: Works (esp. Orations, On Friendship, On Old Age, Republic, Laws, Tusculan Disputations, Offices)
17. Lucretius: On the Nature of Things
18. Virgil: Works (esp. Aeneid)
19. Horace: Works (esp. Odes and Epodes, The Art of Poetry)
20. Livy: The History of Rome
21. Ovid: Works (esp. Metamorphoses)
22. Quintilian: Institutes of Oratory
23. Plutarch: Parallel Lives; Moralia
24. Tacitus: Histories; Annals; Agricola; Germania; Dialogus de oratoribus (Dialogue on Oratory)
25. Nicomachus of Gerasa: Introduction to Arithmetic
26. Epictetus: Discourses; Enchiridion
27. Ptolemy: Almagest
28. Lucian: Works (esp. The Way to Write History, The True History, The Sale of Creeds, Alexander the Oracle Monger, Charon, The Sale of Lives, The Fisherman, Dialogue of the Gods, Dialogues of the Sea-Gods, Dialogues of the Dead)
29. Marcus Aurelius: Meditations
30. Galen: On the Natural Faculties
31. The New Testament
32. Plotinus: The Enneads
33. St. Augustine: "On the Teacher"; Confessions; City of God; On Christian Doctrine
34. The Volsungs Saga or Nibelungenlied
35. The Song of Roland
36. The Saga of Burnt Njál
37. Maimonides: Guide for the Perplexed
38. St. Thomas Aquinas: Of Being and Essence, Summa Contra Gentiles, Of the Governance of Rulers, Summa Theologica
39. Dante Alighieri: The New Life (La Vita Nuova); "On Monarchy"; The Divine Comedy
40. Geoffrey Chaucer: Troilus and Criseyde; The Canterbury Tales
41. Thomas a Kempis: Imitation of Christ
42. Leonardo da Vinci: Notebooks
43. Niccolò Machiavelli: The Prince; Discourses on the First Ten Books of Livy
44. Desiderius Erasmus: The Praise of Folly, Colloquies'
45. Nicolaus Copernicus: On the Revolutions of the Heavenly Spheres
46. Thomas More: Utopia
47. Martin Luther: Table Talk; Three Treatises
48. François Rabelais: Gargantua and Pantagruel
49. John Calvin: Institutes of the Christian Religion
50. Michel de Montaigne: Essays
51. William Gilbert: On the Lodestone and Magnetic Bodies
52. Miguel de Cervantes: Don Quixote
53. Edmund Spenser: Prothalamion; The Faerie Queene
54. Francis Bacon: Essays; The Advancement of Learning; Novum Organum; The New Atlantis
55. William Shakespeare: Poetry and Plays
56. Galileo Galilei: Starry Messenger; Two New Sciences
57. Johannes Kepler: The Epitome of Copernican Astronomy; Harmonices Mundi
58. William Harvey: On the Motion of the Heart and Blood in Animals; On the Circulation of the Blood; On the Generation of Animals
59. Grotius: The Law of War and Peace
60. Thomas Hobbes: Leviathan, Elements of Philsophy
61. René Descartes: Rules for the Direction of the Mind; Discourse on Method; Geometry; Meditations on First Philosophy, Principles of Philosophy, The Passions of the Soul
62. Corneille: Tragedies (esp. The Cid, Cinna)
63. John Milton: Works (esp. the minor poems; Areopagitica; Paradise Lost; Samson Agonistes)
64. Molière: Comedies (esp. The Miser; The School for Wives; The Misanthrope; The Doctor in Spite of Himself; Tartuffe; The Tradesman Turned Gentleman; The Imaginary Invalid; The Affected Ladies)
65. Blaise Pascal: The Provincial Letters; Pensées; Scientific Treatises
66. Boyle: The Skeptical Chemist
67. Christiaan Huygens: Treatise on Light
68. Benedict de Spinoza: Political Treatises; Ethics
69. John Locke: A Letter Concerning Toleration; Of Civil Government; Essay Concerning Human Understanding; Some Thoughts Concerning Education
70. Jean Baptiste Racine: Tragedies (esp. Andromache; Phaedra; Athaliah)
71. Isaac Newton: Mathematical Principles of Natural Philosophy; Opticks
72. Gottfried Wilhelm von Leibniz: Discourse on Metaphysics; New Essays Concerning Human Understanding; "Monadology"
73. Daniel Defoe: Robinson Crusoe; Moll Flanders
74. Jonathan Swift: "Battle of the Books"; "A Tale of a Tub"; A Journal to Stella; Gulliver's Travels; "A Modest Proposal"
75. William Congreve: The Way of the World
76. George Berkeley: A New Theory of Vision; Treatise Concerning the Principles of Human Knowledge
77. Alexander Pope: "Essay on Criticism"; "The Rape of the Lock"; "Essay on Man"
78. Charles de Secondat, baron de Montesquieu: Persian Letters, Spirit of the Laws
79. Voltaire: Letters on the English, Candide, Philosophical Dictionary; Toleration
80. Henry Fielding: Joseph Andrews, Tom Jones
81. Samuel Johnson: "The Vanity of Human Wishes", Dictionary, Rasselas, Lives of the Poets
82. David Hume: A Treatise of Human Nature, Essays Moral and Political, An Enquiry concerning Human Understanding; History of England
83. Jean-Jacques Rousseau: Discourse on the Origin of Inequality, On Political Economy, Emile, The Social Contract; Confessions
84. Laurence Sterne: Tristram Shandy, A Sentimental Journey through France and Italy
85. Adam Smith: The Theory of Moral Sentiments, The Wealth of Nations
86. Blackstone: Commentaries on the Laws of England
87. Immanuel Kant: Critique of Pure Reason, Groundwork of the Metaphysics of Morals, Critique of Practical Reason; Prolegomena to any Future Metaphysics; The Science of Right; Critique of Judgment; Perpetual Peace
88. Edward Gibbon: The Decline and Fall of the Roman Empire; Autobiography
89. James Boswell: Journal; The Life of Samuel Johnson, LL.D.
90. Antoine Laurent Lavoisier: Traité Élémentaire de Chimie (Elements of Chemistry)
91. Alexander Hamilton, John Jay, and James Madison: The Federalist Papers(together with the Articles of Confederation; The Constitution of the United States; The Declaration of Independence)
92. Jeremy Bentham: Comment on the Commentaries; Introduction to the Principles of Morals and Legislation; Theory of Fictions
93. Johann Wolfgang von Goethe: Faust; Poetry and Truth
94. Malthus: An Essay on the Principle of Population
95. Dalton: A New System of Chemical Philosophy
96. Jean Baptiste Joseph Fourier: Analytical Theory of Heat
97. Georg Wilhelm Friedrich Hegel: The Phenomenology of Spirit; Science of Logic; The Philosophy of Right; Lectures on the Philosophy of History
98. William Wordsworth: Poems (esp. Lyrical Ballads; Lucy poems; sonnets; The Prelude)
99. Samuel Taylor Coleridge: Poems (esp. Kubla Khan; The Rime of the Ancient Mariner ); Biographia Literaria
100. Ricardo: The Principles of Political Economy and Taxation
101. Jane Austen: Pride and Prejudice; Emma
102. Carl von Clausewitz: On War
103. Stendhal: The Red and the Black; The Charterhouse of Parma; On Love
104. Guizot: History of Civilization in France
105. Lord Byron: Don Juan
106. Arthur Schopenhauer: Studies in Pessimism
107. Michael Faraday: The Chemical History of a Candle; Experimental Researches in Electricity
108. Lobachevski: Geometrical Researches on the Theory of Parallels
109. Charles Lyell: Principles of Geology
110. Auguste Comte: The Positive Philosophy
111. Honoré de Balzac: Works (esp.Le Père Goriot; Cousin Pons; Eugénie Grandet; Cousin Betty; Cesar Birotteau)
112. Ralph Waldo Emerson: Representative Men, Essays, Journal
113. Nathaniel Hawthorne: The Scarlet Letter
114. Alexis de Tocqueville: Democracy in America
115. John Stuart Mill: A System of Logic; Principles of Political Economy; On Liberty; Considerations on Representative Government; Utilitarianism; The Subjection of Women; Autobiography
116. Charles Darwin: The Origin of Species; The Descent of Man; Autobiography
117. Thackeray: Works (esp.Vanity Fair; Henry Esmond; The Virginians; Pendennis)
118. Charles Dickens: Works (esp.Pickwick Papers; Our Mutual Friend; David Copperfield; Dombey and Son; Oliver Twist; A Tale of Two Cities; Hard Times)
119. Claude Bernard: Introduction to the Study of Experimental Medicine
120. Boole: Laws of Thought
121. Henry David Thoreau: "Civil Disobedience"; Walden
122. Karl Marx and Friedrich Engels: Capital; The Communist Manifesto
123. George Eliot: Adam Bede; Middlemarch
124. Herman Melville: Typee; Moby-Dick; Billy Budd
125. Fyodor Dostoevsky: Crime and Punishment; The Idiot; The Brothers Karamazov
126. Gustave Flaubert: Madame Bovary; Three Stories
127. Henry Thomas Buckle: A History of Civilization in England
128. Galton: Inquiries into Human Faculties and Its Development
129. Riemann: The Hypotheses of Geometry
130. Henrik Ibsen: Plays (esp.Peer Gynt; Brand; Hedda Gabler; Emperor and Galilean; A Doll's House; The Wild Duck; The Master Builder)
131. Leo Tolstoy: War and Peace; Anna Karenina; What is Art?; Twenty-Three Tales
132. Richard Dedekind: Theory of Numbers
133. Wundt: Physiological Psychology; Outline of Psychology
134. Mark Twain: Innocents Abroad; The Adventures of Huckleberry Finn; A Connecticut Yankee in King Arthur's Court; The Mysterious Stranger
135. Henry Adams: History of the United States; Mont-Saint-Michel and Chartres; The Education of Henry Adams; Degradation of Democratic Dogma
136. Charles Peirce: Chance, Love, and Logic; Collected Papers
137. William Sumner: Folkways
138. Oliver Wendell Holmes: The Common Law; Collected Legal Papers
139. William James: The Principles of Psychology; The Varieties of Religious Experience; Pragmatism; A Pluralistic Universe; Essays in Radical Empiricism
140. Henry James: The American; The Ambassadors
141. Friedrich Wilhelm Nietzsche: Thus Spoke Zarathustra; Beyond Good and Evil; The Genealogy of Morals; The Will to Power; Twilight of the Idols; The Antichrist
142. Georg Cantor: Transfinite Numbers
143. Jules Henri Poincaré: Science and Hypothesis; Science and Method; The Foundations of Science
144. Sigmund Freud: The Interpretation of Dreams; Three Contributions to the Theory of Sex; Introductory Lectures on Psychoanalysis; Beyond the Pleasure Principle; Group Psychology and the Analysis of the Ego; The Ego and the Id; Civilization and Its Discontents; New Introductory Lectures on Psychoanalysis
145. George Bernard Shaw: Plays and Prefaces
146. Max Planck: Origin and Development of the Quantum Theory; Where Is Science Going?; Scientific Autobiography
147. Henri Bergson: Time and Free Will; Matter and Memory; Creative Evolution; The Two Sources of Morality and Religion
148. John Dewey: How We Think; Democracy and Education; Experience and Nature; The Quest for Certainty; Logic: The Theory of Inquiry
149. Alfred North Whitehead: A Treatise on Universal Algebra; An Introduction to Mathematics; Science and the Modern World; Process and Reality; The Aims of Education and Other Essays; Adventures of Ideas
150. George Santayana: The Life of Reason; Skepticism and Animal Faith; Realm of Essence; Realm of Matter; Realm of Truth; Persons and Places
151. Lenin: Imperialism; The State and Revolution
152. Marcel Proust: Remembrance of Things Past (the revised translation is In Search of Lost Time)
153. Bertrand Russell: Principles of Mathematics; The Problems of Philosophy; Principia Mathematica; The Analysis of Mind; An Inquiry into Meaning and Truth; Human Knowledge, Its Scope and Limits
154. Thomas Mann: The Magic Mountain; Joseph and His Brothers
155. Albert Einstein: The Theory of Relativity; Sidelights on Relativity; The Meaning of Relativity; On the Method of Theoretical Physics; The Evolution of Physics
156. James Joyce: "The Dead" in Dubliners; A Portrait of the Artist as a Young Man; Ulysses
157. Jacques Maritain: Art and Scholasticism; The Degrees of Knowledge; Freedom and the Modern World; A Preface to Metaphysics; The Rights of Man and Natural Law; True Humanism
158. Franz Kafka: The Trial; The Castle
159. Arnold J. Toynbee: A Study of History; Civilization on Trial
160. Jean-Paul Sartre: Nausea; No Exit; Being and Nothingness
161. Aleksandr Solzhenitsyn: The First Circle; Cancer Ward