- The Complete Works of Robert Burns: Containing his Poems, Songs, and Correspondence.: With a New Life of the Poet, and Notices, Critical and Biographical by Allan CunninghamAuthor: Robert Burns, Allan CunninghamReleased on Project Gutenberg: June 4, 2006
- The Complete Works of William ShakespeareAuthor: William ShakespeareReleased on Project Gutenberg: January 1, 1994
- The Complete Writings of Charles Dudley Warner — Volume 1Author: Charles Dudley WarnerReleased on Project Gutenberg: June 1, 2001
- The Complete Writings of Charles Dudley Warner — Volume 2Author: Charles Dudley WarnerReleased on Project Gutenberg: June 1, 2001
- The Complete Writings of Charles Dudley Warner — Volume 3Author: Charles Dudley WarnerReleased on Project Gutenberg: June 1, 2001
- The Complete Writings of Charles Dudley Warner — Volume 4Author: Charles Dudley WarnerReleased on Project Gutenberg: June 1, 2001
- The Complex VisionAuthor: John Cowper PowysReleased on Project Gutenberg: June 3, 2007
- The composition of Indian geographical names, illustrated from the Algonkin languagesAuthor: J. Hammond (James Hammond) TrumbullReleased on Project Gutenberg: April 28, 2006
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- The Concept of Nature: The Tarner Lectures Delivered in Trinity College, November 1919Author: Alfred North WhiteheadReleased on Project Gutenberg: July 16, 2006
- The Condition of the Working-Class in England in 1844: with a Preface written in 1892Author: Friedrich Engels, Florence KelleyReleased on Project Gutenberg: December 13, 2005
- The Condition, Elevation, Emigration, and Destiny of the Colored People of the United StatesAuthor: Martin Robison DelanyReleased on Project Gutenberg: November 26, 2005
- The Conditions of Existence as Affecting the Perpetuation of Living Beings: Lecture V. (of VI.), "Lectures to Working Men", at the Museum of Practical Geology, 1863, on Darwin's Work: "Origin of Species"Author: Thomas Henry HuxleyReleased on Project Gutenberg: November 1, 2001
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- The Confession of a Child of the Century — CompleteAuthor: Alfred de MussetReleased on Project Gutenberg: October 30, 2004
- The Confession of a Child of the Century — Volume 1Author: Alfred de MussetReleased on Project Gutenberg: April 1, 2003
- The Confession of a Child of the Century — Volume 2Author: Alfred de MussetReleased on Project Gutenberg: April 1, 2003
- The Confession of a Child of the Century — Volume 3Author: Alfred de MussetReleased on Project Gutenberg: April 1, 2003
- The Confessions of a BeachcomberAuthor: E. J. (Edmund James) BanfieldReleased on Project Gutenberg: February 1, 2004
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- The Confessions of Artemas Quibble: Being the Ingenuous and Unvarnished History of Artemas Quibble, Esquire, One-Time Practitioner in the New York Criminal Courts, Together with an Account of the Divers Wiles, Tricks, Sophistries, Technicalities, and Sundry Artifices of Himself and Others of the FraAuthor: Arthur Cheney TrainReleased on Project Gutenberg: January 26, 2007
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- The Confessions of Harry Lorrequer — Volume 1Author: Charles Lever, Hablot Knight BrowneReleased on Project Gutenberg: June 1, 2004
- The Confessions of Harry Lorrequer — Volume 2Author: Charles Lever, Hablot Knight BrowneReleased on Project Gutenberg: June 1, 2004
- The Confessions of Harry Lorrequer — Volume 3Author: Charles Lever, Hablot Knight BrowneReleased on Project Gutenberg: June 1, 2004
- The Confessions of Harry Lorrequer — Volume 4Author: Charles Lever, Hablot Knight BrowneReleased on Project Gutenberg: June 1, 2004
- The Confessions of Harry Lorrequer — Volume 5Author: Charles Lever, Hablot Knight BrowneReleased on Project Gutenberg: June 1, 2004
- The Confessions of Harry Lorrequer — Volume 6Author: Charles Lever, Hablot Knight BrowneReleased on Project Gutenberg: June 1, 2004
- The Confessions of Jean Jacques Rousseau — CompleteAuthor: Jean-Jacques RousseauReleased on Project Gutenberg: August 15, 2004
- The Confessions of Jean Jacques Rousseau — Volume 01Author: Jean-Jacques RousseauReleased on Project Gutenberg: December 6, 2004
- The Confessions of Jean Jacques Rousseau — Volume 02Author: Jean-Jacques RousseauReleased on Project Gutenberg: December 6, 2004
- The Confessions of Jean Jacques Rousseau — Volume 03Author: Jean-Jacques RousseauReleased on Project Gutenberg: December 6, 2004
- The Confessions of Jean Jacques Rousseau — Volume 04Author: Jean-Jacques RousseauReleased on Project Gutenberg: December 6, 2004
- The Confessions of Jean Jacques Rousseau — Volume 05Author: Jean-Jacques RousseauReleased on Project Gutenberg: December 6, 2004
- The Confessions of Jean Jacques Rousseau — Volume 06Author: Jean-Jacques RousseauReleased on Project Gutenberg: December 6, 2004
- The Confessions of Jean Jacques Rousseau — Volume 07Author: Jean-Jacques RousseauReleased on Project Gutenberg: December 6, 2004
- The Confessions of Jean Jacques Rousseau — Volume 08Author: Jean-Jacques RousseauReleased on Project Gutenberg: December 6, 2004
- The Confessions of Jean Jacques Rousseau — Volume 09Author: Jean-Jacques RousseauReleased on Project Gutenberg: December 6, 2004
- The Confessions of Jean Jacques Rousseau — Volume 10Author: Jean-Jacques RousseauReleased on Project Gutenberg: December 6, 2004
- The Confessions of Jean Jacques Rousseau — Volume 11Author: Jean-Jacques RousseauReleased on Project Gutenberg: December 6, 2004
- The Confessions of Jean Jacques Rousseau — Volume 12Author: Jean-Jacques RousseauReleased on Project Gutenberg: December 6, 2004
- The Confessions of Nat Turner: The Leader of the Late Insurrections in Southampton, Va. As Fully and Voluntarily Made to Thomas R. Gray, in the Prison Where He Was Confined, and Acknowledged by Him to be Such when Read Before the Court of Southampton; With the Certificate, Under Seal of the Court CoAuthor: Turner, Nat, Gray, Thomas R. [Compiler]Released on Project Gutenberg: March 12, 2005
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- The ConflictAuthor: David Graham PhillipsReleased on Project Gutenberg: February 1, 1996
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- The Confutatio PontificiaAuthor: Johann Michael ReuReleased on Project Gutenberg: March 1, 1997
- The Congo and Coasts of AfricaAuthor: Richard Harding DavisReleased on Project Gutenberg: December 8, 2004
- The Congo Rovers: A Story of the Slave SquadronAuthor: Harry Collingwood, Schönberg, John [Illustrator]Released on Project Gutenberg: April 13, 2007
- The Congo, and Other PoemsAuthor: Vachel Lindsay, Harriet MonroeReleased on Project Gutenberg: August 1, 1997
- The Conjure WomanAuthor: Charles W. (Charles Waddell) ChesnuttReleased on Project Gutenberg: March 1, 2004
- The Conqueror: Being the True and Romantic Story of Alexander HamiltonAuthor: Gertrude Franklin Horn AthertonReleased on Project Gutenberg: August 22, 2004
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- The Conquest of BreadAuthor: Kropotkin, Petr Alekseevich, kniazReleased on Project Gutenberg: November 9, 2007
- The Conquest of CanaanAuthor: Booth TarkingtonReleased on Project Gutenberg: April 1, 1996
- The Conquest of Canada, Vol. 1Author: George WarburtonReleased on Project Gutenberg: April 21, 2008
- The Conquest of FearAuthor: Basil King, Henry C. (Henry Charles) LinkReleased on Project Gutenberg: February 1, 2006
- The Conquest of New France; A Chronicle of the Colonial WarsAuthor: George McKinnon Wrong, Allen JohnsonReleased on Project Gutenberg: February 1, 2002
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