- TomlinsonianaAuthor: Lytton, Edward Bulwer Lytton, BaronReleased on Project Gutenberg: November 26, 2004
- TommyAuthor: Joseph HockingReleased on Project Gutenberg: April 4, 2008
- Tommy and Co.Author: Jerome K. (Jerome Klapka) JeromeReleased on Project Gutenberg: October 1, 2000
- Tommy and GrizelAuthor: J. M. (James Matthew) Barrie, Bernard PartridgeReleased on Project Gutenberg: April 1, 2004
- Tommy Atkins at War: As Told in His Own LettersAuthor: Kilpatrick, James AlexanderReleased on Project Gutenberg: September 8, 2005
- Tommy Tatters: Uncle Toby's SeriesAuthor: UnknownReleased on Project Gutenberg: March 2, 2008
- Tommy Trot's Visit to Santa ClausAuthor: Thomas Nelson Page, Victor C. AndersonReleased on Project Gutenberg: June 25, 2008
- Tongues of ConscienceAuthor: Robert HichensReleased on Project Gutenberg: July 6, 2008
- Toni, the Little WoodcarverAuthor: Johanna Spyri, Helen B. DoleReleased on Project Gutenberg: November 23, 2004
- Tonio, Son of the Sierras: A Story of the Apache WarAuthor: Charles King, Charles Johnson PostReleased on Project Gutenberg: November 15, 2007
- Tono-BungayAuthor: H. G. (Herbert George) WellsReleased on Project Gutenberg: March 18, 2006
- Topsy-TurvyAuthor: Jules VerneReleased on Project Gutenberg: December 1, 2003
- Topsy-Turvy Land: Arabia Pictured for ChildrenAuthor: Samuel Marinus Zwemer, Amy E. ZwemerReleased on Project Gutenberg: April 19, 2005
- TorchyAuthor: Sewell Ford, George BrehmReleased on Project Gutenberg: February 19, 2007
- Torchy and VeeAuthor: Sewell FordReleased on Project Gutenberg: February 19, 2007
- Torchy as a paAuthor: Sewell FordReleased on Project Gutenberg: February 19, 2007
- Torchy, Private Sec.Author: Sewell Ford, Lincoln, F. Foster (Frederic Foster) [Illustrator]Released on Project Gutenberg: February 19, 2007
- TortoisesAuthor: D. H. (David Herbert) LawrenceReleased on Project Gutenberg: August 31, 2007
- Touch and Go: A Play in Three ActsAuthor: D. H. (David Herbert) LawrenceReleased on Project Gutenberg: July 1, 2003
- Tour through the Eastern Counties of England, 1722Author: Defoe, DanielReleased on Project Gutenberg: July 1, 1997
- Toward the GulfAuthor: Edgar Lee MastersReleased on Project Gutenberg: April 1, 2005
- Towards the GoalAuthor: Ward, Humphry, Mrs., Theodore RooseveltReleased on Project Gutenberg: November 1, 2003
- Towards the Great PeaceAuthor: Ralph Adams CramReleased on Project Gutenberg: January 1, 2004
- Town and Country SermonsAuthor: Charles KingsleyReleased on Project Gutenberg: March 1, 2004
- Town and Country; Or, Life at Home and Abroad, Without and Within UsAuthor: John S. (John Stowell) AdamsReleased on Project Gutenberg: November 1, 2003
- Town GeologyAuthor: Charles KingsleyReleased on Project Gutenberg: November 1, 2003
- Town Life in AustraliaAuthor: Richard Ernest Nowell TwopenyReleased on Project Gutenberg: September 6, 2005
- Town Versus CountryAuthor: Mary Russell MitfordReleased on Project Gutenberg: October 2, 2007
- Toy ShopAuthor: Harry Harrison, Brey, Charles [Illustrator]Released on Project Gutenberg: October 12, 2007
- Tracks of a Rolling StoneAuthor: Henry J. (Henry John) CokeReleased on Project Gutenberg: April 1, 1996
- Tractus de Hermaphrodites; Or, A Treatise of HermaphroditesAuthor: Giles JacobReleased on Project Gutenberg: October 1, 2004
- Tracy Park: A NovelAuthor: Mary Jane HolmesReleased on Project Gutenberg: March 10, 2005
- Traders RiskAuthor: Roger D. AycockReleased on Project Gutenberg: October 20, 2007
- Traditions of Lancashire, Volume 1Author: John RobyReleased on Project Gutenberg: March 7, 2005
- Traditions of Lancashire, Volume 2Author: John RobyReleased on Project Gutenberg: April 30, 2008
- Traditions of the North American Indians, Vol. 1Author: James Athearn JonesReleased on Project Gutenberg: March 15, 2007
- Traditions of the North American Indians, Vol. 2Author: James Athearn JonesReleased on Project Gutenberg: March 15, 2007
- Traditions of the North American Indians, Vol. 3Author: James Athearn JonesReleased on Project Gutenberg: March 15, 2007
- Traditions of the Tinguian: a Study in Philippine Folk-LoreAuthor: Fay-Cooper ColeReleased on Project Gutenberg: June 1, 2004
- Traffics and DiscoveriesAuthor: Rudyard KiplingReleased on Project Gutenberg: January 1, 2006
- Tragic Sense Of LifeAuthor: Miguel de Unamuno, J. E. Crawford (John Ernest Crawford) FlitchReleased on Project Gutenberg: January 8, 2005
- Trail's EndAuthor: George W. (George Washington) Ogden, P. V. E. IvoryReleased on Project Gutenberg: February 28, 2007
- Trailin'!Author: Max BrandReleased on Project Gutenberg: February 1, 2004
- Tramping on Life: An Autobiographical NarrativeAuthor: Harry KempReleased on Project Gutenberg: March 19, 2005
- Tramping Through Mexico, Guatemala and Honduras: Being the Random Notes of an Incurable VagabondAuthor: Harry Alverson FranckReleased on Project Gutenberg: December 1, 2004
- Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910: The Bergen Hill Tunnels. Paper No. 1154Author: Lavis, F.Released on Project Gutenberg: April 15, 2007
- Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910: The New York Tunnel Extension of the Pennsylvania Railroad: The Terminal Station - WestAuthor: Benjamin Franklin CressonReleased on Project Gutenberg: December 13, 2005
- Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910: The New York Tunnel Extension of the Pennsylvania Railroad,: The North River Division. Paper No. 1151Author: Charles M. (Charles Mattathias) JacobsReleased on Project Gutenberg: June 10, 2006
- Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910: The New York Tunnel Extension of the Pennsylvania Railroad.: Meadows Division and Harrison Transfer Yard. Paper No. 1153Author: Temple, E. B.Released on Project Gutenberg: March 18, 2006
- Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910: The New York Tunnel Extension of the Pennsylvania Railroad.: Paper No. 1150Author: Raymond, Charles W.Released on Project Gutenberg: April 22, 2006
- Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910: The New York Tunnel Extension of the Pennsylvania Railroad.: The Cross-Town Tunnels. Paper No. 1158Author: Brace, James H., Mason, FrancisReleased on Project Gutenberg: August 13, 2006
- Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910: The New York Tunnel Extension of the Pennsylvania Railroad.: The East River Division. Paper No. 1152Author: Alfred NobleReleased on Project Gutenberg: March 28, 2006
- Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910: The New York Tunnel Extension of the Pennsylvania Railroad.: The East River Tunnels. Paper No. 1159Author: Brace, James H., Mason, Francis, Woodard, S. H.Released on Project Gutenberg: July 1, 2006
- Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910: The Site of the Terminal Station. Paper No. 1157Author: Clarke, George C.Released on Project Gutenberg: May 17, 2006
- Transactions of the American Society of Civil Engineers, Vol. LXX, Dec. 1910: A Concrete Water Tower, Paper No. 1173Author: Kempkey, A.Released on Project Gutenberg: July 3, 2006
- Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910: Expansion of Pipes, Paper No. 1167Author: Taggart, Ralph C.Released on Project Gutenberg: April 28, 2008
- Transactions of the American Society of Civil Engineers, Vol. LXX, Dec. 1910: Final Report of Special Committee on Rail Sections, Paper No. 1177Author: VariousReleased on Project Gutenberg: July 8, 2006
- Transactions of the American Society of Civil Engineers, Vol. LXX, Dec. 1910: Locomotive Performance On Grades Of Various Lengths, Paper No. 1172Author: Randolph, B. S. (Beverly S.)Released on Project Gutenberg: July 3, 2006
- Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910: Reinforced Concrete Pier ConstructionAuthor: Klapp, EugeneReleased on Project Gutenberg: February 16, 2006
- Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910: Tests of Creosoted Timber, Paper No. 1168Author: W. B. (William Benjamin) GregoryReleased on Project Gutenberg: February 16, 2006