- The Conservation of RacesAuthor: W. E. B. (William Edward Burghardt) Du BoisReleased on Project Gutenberg: May 1, 2004
- The Consolation of PhilosophyAuthor: Boethius, H. R. (Henry Rosher) JamesReleased on Project Gutenberg: December 11, 2004
- The Consolidator; or, Memoirs of Sundry Transactions from the World in the MoonAuthor: Defoe, DanielReleased on Project Gutenberg: December 1, 2004
- The Constable's Move: Captains All, Book 4.Author: W. W. (William Wymark) Jacobs, Will OwenReleased on Project Gutenberg: February 1, 2004
- The Constitution of Japan, 1946Author: JapanReleased on Project Gutenberg: August 1, 1996
- The Constitution of the Empire of Japan, 1889Author: JapanReleased on Project Gutenberg: August 1, 1996
- The Constitution of the United States: A Brief Study of the Genesis, Formulation and Political Philosophy of the ConstitutionAuthor: James M. (James Montgomery) BeckReleased on Project Gutenberg: November 1, 2003
- The Constitution of the United States of America: Analysis and Interpretation: Annotations of Cases Decided by the Supreme Court of the United States to June 30, 1952Author: Edward Samuel CorwinReleased on Project Gutenberg: June 20, 2006
- The Constitutional Development of Japan 1853-1881: Johns Hopkins University Studies in Historical and Political Science, Ninth SeriesAuthor: T. (Toyokichi) IyenagaReleased on Project Gutenberg: May 1, 2004
- The Constitutional History of England from 1760 to 1860Author: Charles Duke YongeReleased on Project Gutenberg: January 1, 2004
- The ConsulAuthor: Richard Harding DavisReleased on Project Gutenberg: May 1, 1999
- The consumer viewpointAuthor: Mildred Maddocks BentleyReleased on Project Gutenberg: February 1, 2005
- The Contemporary Review, January 1883: Vol 43, No. 1Author: VariousReleased on Project Gutenberg: July 3, 2008
- The Contest in AmericaAuthor: John Stuart MillReleased on Project Gutenberg: February 1, 2004
- The Continental Classics, Volume XVIII., Mystery Tales: Including Stories by Feodor Mikhailovitch Dostoyevsky, Jörgen Wilhelm: Bergsöe and Bernhard Severin IngemannAuthor: VariousReleased on Project Gutenberg: April 1, 2004
- The Continental Monthly , Vol. 2 No. 5, November 1862: Devoted to Literature and National PolicyAuthor: VariousReleased on Project Gutenberg: March 25, 2007
- The Continental Monthly, Vol. 4, No. 1, July, 1863: Devoted to Literature and National PolicyAuthor: VariousReleased on Project Gutenberg: July 1, 2007
- The Continental Monthly, Vol 2, No 6, December 1862: Devoted to Literature and National PolicyAuthor: VariousReleased on Project Gutenberg: April 19, 2008
- The Continental Monthly, Vol 3 No 3, March 1863: Devoted To Literature And National PolicyAuthor: VariousReleased on Project Gutenberg: April 27, 2008
- The Continental Monthly, Vol 6, No 5, November 1864: Devoted To Literature And National PolicyAuthor: VariousReleased on Project Gutenberg: December 3, 2007
- The Continental Monthly, Vol III, Issue VI, June, 1863: Devoted to Literature and National PolicyAuthor: VariousReleased on Project Gutenberg: September 1, 2006
- The Continental Monthly, Vol. 1, No. 1, January 1862: Devoted to Literature and National PolicyAuthor: VariousReleased on Project Gutenberg: August 3, 2006
- The Continental Monthly, Vol. 1, No. 2, February, 1862: Devoted To Literature And National PolicyAuthor: VariousReleased on Project Gutenberg: October 5, 2004
- The Continental Monthly, Vol. 1, No. 3, March, 1862Author: VariousReleased on Project Gutenberg: January 4, 2005
- The Continental Monthly, Vol. 1, No. 4, April, 1862: Devoted To Literature And National PolicyAuthor: VariousReleased on Project Gutenberg: February 15, 2005
- The Continental Monthly, Vol. 1, No. 5, May, 1862: Devoted To Literature And National PolicyAuthor: VariousReleased on Project Gutenberg: January 13, 2005
- The Continental Monthly, Vol. 1, No. 6, June, 1862: Devoted To Literature and National PolicyAuthor: VariousReleased on Project Gutenberg: June 29, 2005
- The Continental Monthly, Vol. 2 No 4, October, 1862: Devoted To Literature And National PolicyAuthor: VariousReleased on Project Gutenberg: February 6, 2008
- The Continental Monthly, Vol. 2, No 3, September, 1862: Devoted to Literature and National Policy.Author: VariousReleased on Project Gutenberg: February 22, 2007
- The Continental Monthly, Vol. 2, No. 1, July, 1862Author: VariousReleased on Project Gutenberg: July 12, 2005
- The Continental Monthly, Vol. 2, No. 2, August, 1862: Devoted to Literature and National PolicyAuthor: VariousReleased on Project Gutenberg: November 27, 2006
- The Continental Monthly, Vol. 3 No 2, February 1863: Devoted To Literature And National PolicyAuthor: VariousReleased on Project Gutenberg: July 17, 2008
- The Continental Monthly, Vol. 3, No. 1 January 1863: Devoted To Literature And National PolicyAuthor: VariousReleased on Project Gutenberg: April 3, 2008
- The Continental Monthly, Vol. 4, No. 4, October, 1863: Devoted to Literature and National PolicyAuthor: VariousReleased on Project Gutenberg: July 18, 2005
- The Continental Monthly, Vol. 4, No. 6, December 1863: Devoted to Literature and National PolicyAuthor: VariousReleased on Project Gutenberg: July 30, 2006
- The Continental Monthly, Vol. 5, No. 1, January, 1864Author: VariousReleased on Project Gutenberg: May 26, 2006
- The Continental Monthly, Vol. 5, No. 2, February, 1864: Devoted To Literature And National PolicyAuthor: VariousReleased on Project Gutenberg: June 11, 2006
- The Continental Monthly, Vol. 5, No. 3, March, 1864: Devoted to Literature and National PolicyAuthor: VariousReleased on Project Gutenberg: July 17, 2006
- The Continental Monthly, Vol. 5, No. 4, April, 1864Author: VariousReleased on Project Gutenberg: July 13, 2006
- The Continental Monthly, Vol. 5, No. 5, May, 1864: Devoted To Literature And National PolicyAuthor: VariousReleased on Project Gutenberg: September 26, 2007
- The Continental Monthly, Vol. 6, No 2, August, 1864: Devoted to Literature and National PolicyAuthor: VariousReleased on Project Gutenberg: February 11, 2007
- The Continental Monthly, Vol. 6, No 3, September 1864: Devoted To Literature And National PolicyAuthor: VariousReleased on Project Gutenberg: October 8, 2007
- The Continental Monthly, Vol. 6, No 4, August, 1864: Devoted To Literature And National PolicyAuthor: VariousReleased on Project Gutenberg: November 18, 2007
- The Continental Monthly, Vol. 6, No. 6, December 1864: Devoted To Literature And National PolicyAuthor: VariousReleased on Project Gutenberg: February 2, 2008
- The Continental Monthly, Vol. III, No. V, May, 1863: Devoted to Literature and National PolicyAuthor: VariousReleased on Project Gutenberg: August 21, 2006
- The ContrastAuthor: Royall Tyler, Thomas Jefferson McKeeReleased on Project Gutenberg: June 1, 1996
- The Conuercyon of swerers: (The Conversion of Swearers)Author: Hawes, Stephen, -Released on Project Gutenberg: August 9, 2007
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- The Convert: Deep Waters, Part 5.Author: W. W. (William Wymark) Jacobs, Will OwenReleased on Project Gutenberg: March 1, 2004
- The Cook's Decameron: A Study in Taste, Containing over Two Hundred Recipes for Italian DishesAuthor: Waters, W. G., Mrs.Released on Project Gutenberg: June 1, 1997
- The Cook's Wedding and Other StoriesAuthor: Anton Pavlovich Chekhov, Constance GarnettReleased on Project Gutenberg: September 9, 2004
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- The Copy/South Dossier: Issues in the economics, politics, and ideology of copyright in the global SouthAuthor: Story, Alan [Editor]Released on Project Gutenberg: September 23, 2007
- The Copyright Question: A Letter to the Toronto Board of TradeAuthor: George N. (George Nathaniel) MorangReleased on Project Gutenberg: January 12, 2005
- The Coquette's Victim: Everyday Life Library No. 1Author: Charlotte M. BrameReleased on Project Gutenberg: July 12, 2004
- The Coquette, or, The History of Eliza Wharton: A Novel: Founded on FactAuthor: Hannah Webster FosterReleased on Project Gutenberg: May 1, 2004
- The Coral IslandAuthor: R. M. (Robert Michael) BallantyneReleased on Project Gutenberg: June 7, 2007
- The Coral Island: A Tale of the Pacific OceanAuthor: R. M. (Robert Michael) BallantyneReleased on Project Gutenberg: September 1, 1996
- The Coral Island: A Tale of the Pacific OceanAuthor: R. M. (Robert Michael) BallantyneReleased on Project Gutenberg: December 1, 2004
- The Cords of Vanity: A Comedy of ShirkingAuthor: James Branch CabellReleased on Project Gutenberg: January 1, 2006