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- Cappy Ricks; Or, the Subjugation of Matt PeasleyAuthor: Peter B. (Peter Bernard) KyneReleased on Project Gutenberg: May 1, 2004
- Capt'n Davy's HoneymoonAuthor: Caine, Hall, SirReleased on Project Gutenberg: May 23, 2008
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- Captain BloodAuthor: Rafael SabatiniReleased on Project Gutenberg: November 1, 1999
- Captain Boldheart & the Latin-Grammar Master: A Holiday Romance from the Pen of Lieut-Col. Robin Redforth, aged 9Author: Charles Dickens, Susan Beatrice PearseReleased on Project Gutenberg: December 7, 2007
- Captain Brassbound's ConversionAuthor: Bernard ShawReleased on Project Gutenberg: September 1, 2002
- Captain Canot; Or, Twenty Years of an African SlaverAuthor: Theodore Canot, Brantz MayerReleased on Project Gutenberg: October 14, 2007
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- Captain Cook: His Life, Voyages, and DiscoveriesAuthor: William Henry Giles KingstonReleased on Project Gutenberg: March 5, 2008
- Captain FracasseAuthor: Théophile GautierReleased on Project Gutenberg: February 19, 2006
- Captain HoraceAuthor: Sophie MayReleased on Project Gutenberg: May 16, 2008
- Captain JanuaryAuthor: Laura Elizabeth Howe RichardsReleased on Project Gutenberg: March 1, 2005
- Captain Jinks, HeroAuthor: Ernest Crosby, Daniel Carter BeardReleased on Project Gutenberg: September 22, 2006
- Captain John SmithAuthor: Charles Dudley WarnerReleased on Project Gutenberg: October 10, 2004
- Captain Macklin: His MemoirsAuthor: Richard Harding DavisReleased on Project Gutenberg: July 1, 2004
- Captain Mansana & Mother's HandsAuthor: Bjørnstjerne Bjørnson, Edmund GosseReleased on Project Gutenberg: January 5, 2007
- Captain Mugford: Our Salt and Fresh Water TutorsAuthor: William Henry Giles Kingston, W. Herbert (William Herbert) HollowayReleased on Project Gutenberg: May 15, 2007
- Captain Rogers: The Lady of the Barge and Others, Part 7.Author: W. W. (William Wymark) Jacobs, Maurice Greiffenhagen, Richards, Amy, activeReleased on Project Gutenberg: April 1, 2004
- Captain Sam: The Boy Scouts of 1814Author: George Cary EgglestonReleased on Project Gutenberg: June 19, 2006
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- Captains All: Captains All, Part 1.Author: W. W. (William Wymark) Jacobs, Will OwenReleased on Project Gutenberg: February 1, 2004
- Captains All and OthersAuthor: W. W. (William Wymark) Jacobs, Will OwenReleased on Project Gutenberg: February 1, 2004
- Captains of Industry; or, Men of Business Who Did Something Besides Making MoneyAuthor: James PartonReleased on Project Gutenberg: December 9, 2006
- Captains of the Civil War: A Chronicle of the Blue and the GrayAuthor: William WoodReleased on Project Gutenberg: May 1, 2001
- Captivating Mary CarstairsAuthor: Henry Sydnor HarrisonReleased on Project Gutenberg: February 1, 2006
- CaptivityAuthor: Leonora EylesReleased on Project Gutenberg: April 2, 2005
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- Carlo: or Kindness RewardedAuthor: AnonymousReleased on Project Gutenberg: November 17, 2007
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- Carnac's Folly, Volume 1.Author: Gilbert ParkerReleased on Project Gutenberg: August 1, 2004
- Carnac's Folly, Volume 2.Author: Gilbert ParkerReleased on Project Gutenberg: August 1, 2004
- Carnac's Folly, Volume 3.Author: Gilbert ParkerReleased on Project Gutenberg: August 1, 2004
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- Caruso and Tetrazzini on the Art of SingingAuthor: Luisa Tetrazzini, Enrico CarusoReleased on Project Gutenberg: December 9, 2006
- Carving and ServingAuthor: Mary J. (Mary Johnson) LincolnReleased on Project Gutenberg: March 15, 2005
- Casa Grande Ruin: Thirteenth Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1891-92, Government Printing Office, Washington, 1896, pages 289-318Author: Cosmos MindeleffReleased on Project Gutenberg: January 10, 2006
- Casanova's HomecomingAuthor: Arthur Schnitzler, Cedar Paul, Eden PaulReleased on Project Gutenberg: November 1, 2005
- Casey RyanAuthor: B. M. BowerReleased on Project Gutenberg: June 1, 2004