- Cashel Byron's ProfessionAuthor: Bernard ShawReleased on Project Gutenberg: June 1, 2004
- Cassell's Vegetarian Cookery: A Manual of Cheap and Wholesome DietAuthor: A. G. (Arthur Gay) PayneReleased on Project Gutenberg: January 4, 2005
- Cast AdriftAuthor: T. S. (Timothy Shay) ArthurReleased on Project Gutenberg: October 1, 2003
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- Cast Upon the BreakersAuthor: Alger, Horatio, Jr.Released on Project Gutenberg: January 16, 2006
- CasteAuthor: William Alexander FraserReleased on Project Gutenberg: September 26, 2005
- Castellinaria, and Other Sicilian DiversionsAuthor: Henry Festing JonesReleased on Project Gutenberg: April 15, 2008
- Castilian DaysAuthor: John HayReleased on Project Gutenberg: February 1, 2005
- Castle CraneycrowAuthor: George Barr McCutcheonReleased on Project Gutenberg: March 1, 2004
- Castle NowhereAuthor: Constance Fenimore WoolsonReleased on Project Gutenberg: September 1, 2004
- Castle RackrentAuthor: Maria Edgeworth, Anne Thackeray RitchieReleased on Project Gutenberg: February 19, 2006
- Castle RichmondAuthor: Anthony TrollopeReleased on Project Gutenberg: June 1, 2004
- Castles in the AirAuthor: Orczy, Emmuska Orczy, BaronessReleased on Project Gutenberg: May 1, 2004
- Cat and Dog; Or, Memoirs of Puss and the CaptainAuthor: Maitland, Julia Charlotte, -, Harrison WeirReleased on Project Gutenberg: March 21, 2007
- Cat and MouseAuthor: Ralph Williams, H. R. Van DongenReleased on Project Gutenberg: January 21, 2008
- Catalan's Constant [Ramanujan's Formula]Author: Fee, GregReleased on Project Gutenberg: October 1, 1996
- Catalan's Constant to 1,500,000 PlacesReleased on Project Gutenberg: March 1, 1997Language: English
- Catalogue of British Columbia BirdsAuthor: Francis KermodeReleased on Project Gutenberg: August 1, 2004
- Catalogue of Economic Plants in the Collection of the U. S. Department of AgricultureAuthor: William SaundersReleased on Project Gutenberg: January 22, 2008
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- Catalogue of the William Loring Andrews Collection of Early Books in the Library of Yale UniversityAuthor: Van Name, AddisonReleased on Project Gutenberg: October 9, 2005
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- CatharineAuthor: Nehemiah AdamsReleased on Project Gutenberg: March 28, 2005
- Catharine FurzeAuthor: William Hale WhiteReleased on Project Gutenberg: July 1, 2004
- Catharine's perilAuthor: Bewsher, M. E., Mrs.Released on Project Gutenberg: April 25, 2007
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- Catherine Booth — a SketchAuthor: Mildred DuffReleased on Project Gutenberg: December 1, 2004
- Catherine De MediciAuthor: Honoré de Balzac, Katharine Prescott WormeleyReleased on Project Gutenberg: June 26, 2004
- Catherine: A StoryAuthor: William Makepeace ThackerayReleased on Project Gutenberg: November 1, 1999
- Catholic Problems in Western CanadaAuthor: George Thomas DalyReleased on Project Gutenberg: May 11, 2006
- Cato Maior de Senectute with Introduction and NotesAuthor: Cicero, Marcus Tullius, James S. (James Smith) Reid, Francis W. (Francis Willey) KelseyReleased on Project Gutenberg: February 7, 2005
- CatrionaAuthor: Robert Louis StevensonReleased on Project Gutenberg: July 1, 1996
- Cattle and Cattle-breedersAuthor: William McCombieReleased on Project Gutenberg: September 5, 2007
- Cattle and Their Diseases: Embracing Their History and Breeds, Crossing and Breeding, and Feeding and Management; with the Diseases to Which They Are Subject, and the Remedies Best Adapted to Their CureAuthor: Robert JenningsReleased on Project Gutenberg: September 26, 2007
- Cattle Brands: A Collection of Western Camp-Fire StoriesAuthor: Andy AdamsReleased on Project Gutenberg: May 1, 2004
- Caught in the NetAuthor: Emile GaboriauReleased on Project Gutenberg: March 31, 2006
- Cave Regions of the Ozarks and Black HillsAuthor: Luella Agnes OwenReleased on Project Gutenberg: December 19, 2005
- Caves of TerrorAuthor: Talbot MundyReleased on Project Gutenberg: August 2, 2006
- CavourAuthor: Martinengo-Cesaresco, Evelyn Lilian Hazeldine Carrington, contessaReleased on Project Gutenberg: June 1, 2004
- Caw! Caw! Or, The Chronicle of Crows, A Tale of the Spring-timeAuthor: R. M., Jemima BlackburnReleased on Project Gutenberg: August 22, 2007
- Caxton's Book of CurtesyeAuthor: Frederick James FurnivallReleased on Project Gutenberg: January 22, 2005
- Cecil Rhodes, Man and Empire-MakerAuthor: Radziwill, Catherine, PrincessReleased on Project Gutenberg: August 26, 2005
- Cecilia de NoëlAuthor: Lanoe FalconerReleased on Project Gutenberg: March 4, 2005
- Cecilia; Or, Memoirs of an Heiress — Volume 1Author: Fanny BurneyReleased on Project Gutenberg: August 1, 2004
- Cecilia; Or, Memoirs of an Heiress — Volume 2Author: Fanny BurneyReleased on Project Gutenberg: December 1, 2004
- Cecilia; Or, Memoirs of an Heiress — Volume 3Author: Fanny BurneyReleased on Project Gutenberg: December 1, 2004
- Cecily Parsley's Nursery RhymesAuthor: Beatrix PotterReleased on Project Gutenberg: November 6, 2007
- Celebrated Claimants from Perkin Warbeck to Arthur OrtonAuthor: AnonymousReleased on Project Gutenberg: August 8, 2005
- Celebrated Crimes (Complete)Author: Alexandre DumasReleased on Project Gutenberg: September 22, 2004
- Celebrated Travels and Travellers, Part 1.: The Exploration of the WorldAuthor: Jules Verne, Léon Benett, Paul Philippoteaux, Leigh, Dora [Translator]Released on Project Gutenberg: March 7, 2008
- Celebrated Travels and Travellers, Part 2.: The Great Navigators of the Eighteenth CenturyAuthor: Jules Verne, Léon Benett, Charles Émile Matthis, Paul PhilippoteauxReleased on Project Gutenberg: June 14, 2008
- CelibatesAuthor: George MooreReleased on Project Gutenberg: July 1, 2004
- Celt and Saxon — CompleteAuthor: George MeredithReleased on Project Gutenberg: November 5, 2004
- Celt and Saxon — Volume 1Author: George MeredithReleased on Project Gutenberg: September 1, 2003
- Celt and Saxon — Volume 2Author: George MeredithReleased on Project Gutenberg: September 1, 2003
- Celtic Fairy TalesAuthor: Joseph JacobsReleased on Project Gutenberg: April 1, 2005
- Celtic LiteratureAuthor: Matthew ArnoldReleased on Project Gutenberg: February 1, 2004
- Celtic religion in pre-Christian timesAuthor: E. (Edward) AnwylReleased on Project Gutenberg: March 23, 2006
- Celtic Tales, Told to the ChildrenAuthor: Louey ChisholmReleased on Project Gutenberg: February 1, 2005
- Cenci: Celebrated CrimesAuthor: Alexandre DumasReleased on Project Gutenberg: February 28, 2006