- Three DramasAuthor: Bjørnstjerne Bjørnson, R. Farquharson (Robert Farquharson) SharpReleased on Project Gutenberg: April 1, 2005
- Three Elephant Power, and Other StoriesAuthor: A. B. (Andrew Barton) PatersonReleased on Project Gutenberg: June 29, 2008
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- Three Expeditions into the Interior of Eastern Australia, Volume 2: With Descriptions of the Recently Explored Region of Australia Felix, and of the Present Colony of New South WalesAuthor: T. L. (Thomas Livingstone) MitchellReleased on Project Gutenberg: July 27, 2004
- Three French Moralists and The Gallantry of FranceAuthor: Edmund GosseReleased on Project Gutenberg: November 19, 2006
- Three Frenchmen in Bengal: The Commercial Ruin of the French Settlements in 1757Author: Samuel Charles HillReleased on Project Gutenberg: February 1, 2004
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- Three hundred Aesop’s fables: Translated by George Fyler TownsendAuthor: Aesop, George Fyler TownsendReleased on Project Gutenberg: June 25, 2008
- Three John Silence StoriesAuthor: Algernon BlackwoodReleased on Project Gutenberg: January 1, 2004
- Three Lives: Stories of The Good Anna, Melanctha and The Gentle LenaAuthor: Gertrude SteinReleased on Project Gutenberg: March 18, 2005
- Three MargaretsAuthor: Laura Elizabeth Howe Richards, Etheldred B. (Etheldred Breeze) BarryReleased on Project Gutenberg: August 10, 2007
- Three Men and a MaidAuthor: P. G. (Pelham Grenville) WodehouseReleased on Project Gutenberg: November 1, 2004
- Three men in a boat (to say nothing of the dog)Author: Jerome K. (Jerome Klapka) JeromeReleased on Project Gutenberg: August 1, 1995
- Three men on the bummelAuthor: Jerome K. (Jerome Klapka) JeromeReleased on Project Gutenberg: May 1, 2000
- Three Months in the Southern States, April-June 1863Author: Fremantle, Arthur James Lyon, SirReleased on Project Gutenberg: March 29, 2007
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- Three Plays: The Fiddler's House, The Land, Thomas MuskerryAuthor: Padraic ColumReleased on Project Gutenberg: April 1, 2004
- Three Prayers and SermonsAuthor: Jonathan Swift, Henry MorleyReleased on Project Gutenberg: December 1, 2003
- Three short works: The Dance of Death, the Legend of Saint Julian the Hospitaller, a Simple Soul.Author: Gustave FlaubertReleased on Project Gutenberg: December 1, 2003
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- Three Voyages for the Discovery of a Northwest Passage from the Atlantic to the Pacific, and Narrative of an Attempt to Reach the North Pole, Volume 2Author: Parry, William Edward, SirReleased on Project Gutenberg: December 14, 2004
- Three WeeksAuthor: Elinor GlynReleased on Project Gutenberg: September 1, 2005
- Three Wonder PlaysAuthor: Lady GregoryReleased on Project Gutenberg: January 4, 2005
- Three Years in Europe: Places I Have Seen and People I Have MetAuthor: Brown, William WellsReleased on Project Gutenberg: May 15, 2005
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- Three years in the Sixth CorpsAuthor: George T. (George Thomas) StevensReleased on Project Gutenberg: June 30, 2007
- Three years in Tristan da CunhaAuthor: Barrow, Katherine MaryReleased on Project Gutenberg: June 1, 2005
- Three Years on the Plains: Observations of Indians, 1867-1870Author: Edmund B. (Edmund Bostwick) TuttleReleased on Project Gutenberg: January 28, 2007
- Three Years' WarAuthor: Christiaan Rudolf De WetReleased on Project Gutenberg: July 8, 2006
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- Thrilling Adventures by Land and SeaAuthor: James O. BraymanReleased on Project Gutenberg: January 1, 2004
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- Through Forest and Fire: Wild-Woods Series No. 1Author: Edward Sylvester EllisReleased on Project Gutenberg: August 8, 2005
- Through Forest and Stream: The Quest of the QuetzalAuthor: George Manville FennReleased on Project Gutenberg: November 15, 2007
- Through Palestine with the Twentieth Machine Gun SquadronAuthor: UnknownReleased on Project Gutenberg: November 19, 2005
- Through RussiaAuthor: Maksim Gorky, C. J. (Charles James) HogarthReleased on Project Gutenberg: August 1, 2000
- Through Space to Mars; Or, the Longest Journey on RecordAuthor: Rockwood, RoyReleased on Project Gutenberg: October 1, 2004
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- Through the Air to the North Pole: Or, The Wonderful Cruise of the Electric MonarchAuthor: Rockwood, RoyReleased on Project Gutenberg: January 11, 2005
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- Through the Eye of the Needle: A RomanceAuthor: William Dean HowellsReleased on Project Gutenberg: June 1, 2005
- Through the Fray: A Tale of the Luddite RiotsAuthor: G. A. (George Alfred) HentyReleased on Project Gutenberg: August 1, 2005
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- Through the Iron Bars: Two Years of German Occupation in BelgiumAuthor: Emile Cammaerts, Louis RaemaekersReleased on Project Gutenberg: June 1, 2004
- Through the Looking-GlassAuthor: Lewis CarrollReleased on Project Gutenberg: June 25, 2008
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- Through the Magic DoorAuthor: Arthur Conan DoyleReleased on Project Gutenberg: March 1, 2004