- Symphony No. 5 in C minor, Opus 67Author: Ludwig van BeethovenReleased on Project Gutenberg: August 1, 1994
- SymposiumAuthor: Plato, Benjamin JowettReleased on Project Gutenberg: January 1, 1999
- Synge and the Ireland of His TimeAuthor: W. B. (William Butler) YeatsReleased on Project Gutenberg: July 1, 2005
- Synopsis of Some Genera of the Large Pyrenomycetes: Camillea, Thamnomyces, EngleromycesAuthor: C. G. (Curtis Gates) LloydReleased on Project Gutenberg: June 7, 2007
- Synthetic Tannins, Their Synthesis, Industrial Production and ApplicationAuthor: Georg Grasser, Fini Georges Alexander EnnaReleased on Project Gutenberg: April 1, 2005
- System of Economical Contradictions; Or, The Philosophy of MiseryAuthor: P.-J. (Pierre-Joseph) ProudhonReleased on Project Gutenberg: February 1, 1996
- T. De Witt Talmage as I Knew HimAuthor: T. De Witt (Thomas De Witt) Talmage, Talmage, Eleanor McCutcheon CollierReleased on Project Gutenberg: April 23, 2005
- T. Haviland Hicks, SeniorAuthor: James Raymond ElderdiceReleased on Project Gutenberg: July 1, 2005
- T. TembaromAuthor: Frances Hodgson BurnettReleased on Project Gutenberg: February 1, 2001
- Tabitha at Ivy HallAuthor: Ruth Brown MacArthur, Russell, Alfred [Illustrator]Released on Project Gutenberg: May 8, 2008
- Tabitha's VacationAuthor: Ruth Brown MacArthurReleased on Project Gutenberg: January 11, 2007
- Table Talk: Essays on Men and MannersAuthor: William HazlittReleased on Project Gutenberg: January 1, 2002
- Tablets of Abdul-Baha AbbasAuthor: ʻAbdu'l-BaháReleased on Project Gutenberg: September 20, 2006
- Tablets of Bahá'u'lláh Revealed after the Kitab-i-AqdasAuthor: Bahá'u'lláhReleased on Project Gutenberg: October 28, 2005
- Tablets of the Divine PlanAuthor: ʻAbdu'l-BaháReleased on Project Gutenberg: September 18, 2006
- Taboo: A Legend Retold from the Dirghic of Sævius Nicanor, with: Prolegomena, Notes, and a Preliminary MemoirAuthor: James Branch CabellReleased on Project Gutenberg: November 22, 2005
- Taboo and geneticsAuthor: Melvin M. (Melvin Moses) Knight, Phyllis Blanchard, Iva Lowther PetersReleased on Project Gutenberg: December 11, 2004
- Tacitus and Bracciolini. The Annals Forged in the XVth CenturyAuthor: John Wilson RossReleased on Project Gutenberg: October 1, 2005
- Tacitus on GermanyAuthor: Tacitus, Cornelius, 56-, Gordon, Thomas, -Released on Project Gutenberg: April 4, 2006
- Tacitus: The Histories, Volumes I and IIAuthor: Tacitus, Cornelius, 56-, W. Hamilton (William Hamilton) FyfeReleased on Project Gutenberg: October 23, 2005
- Take Me for a Ride: Coming of Age in a Destructive CultAuthor: Laxer, Mark E.Released on Project Gutenberg: September 1, 1994
- Taken AliveAuthor: Edward Payson RoeReleased on Project Gutenberg: March 1, 2004
- Taken by the EnemyAuthor: Oliver OpticReleased on Project Gutenberg: June 14, 2006
- Taking Tales: Instructive and Entertaining ReadingAuthor: William Henry Giles KingstonReleased on Project Gutenberg: November 21, 2007
- Talbot Mundy Biblio: Materials Toward a Bibliography of the Works of Talbot MundyAuthor: Bradford M. (Bradford Marshall) DayReleased on Project Gutenberg: October 11, 2004
- Talents, IncorporatedAuthor: Murray LeinsterReleased on Project Gutenberg: December 13, 2007
- TalesAuthor: George CrabbeReleased on Project Gutenberg: March 1, 2004
- Tales and FantasiesAuthor: Robert Louis StevensonReleased on Project Gutenberg: February 1, 1996
- Tales and Novels of J. de La Fontaine — CompleteAuthor: Jean de La FontaineReleased on Project Gutenberg: September 21, 2004
- Tales and Novels of J. de La Fontaine — Volume 01Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 02Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 03Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 04Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 05Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 06Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 07Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 09Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 10Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 11Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 12Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 13Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 14Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 15Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 16Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 17Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 18Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 19Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 20Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 21Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 22Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 23Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 24Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels of J. de La Fontaine — Volume 25Author: Jean de La FontaineReleased on Project Gutenberg: March 1, 2004
- Tales and Novels — Volume 01: Moral TalesAuthor: Maria EdgeworthReleased on Project Gutenberg: September 1, 2005
- Tales and Novels — Volume 02: Popular TalesAuthor: Maria EdgeworthReleased on Project Gutenberg: August 1, 2005
- Tales and Novels — Volume 03: BelindaAuthor: Maria EdgeworthReleased on Project Gutenberg: December 1, 2005
- Tales and Novels — Volume 04Author: Maria EdgeworthReleased on Project Gutenberg: December 1, 2005
- Tales and Novels — Volume 05: Tales of a Fashionable LifeAuthor: Maria EdgeworthReleased on Project Gutenberg: December 1, 2005
- Tales and Novels — Volume 06Author: Maria EdgeworthReleased on Project Gutenberg: January 1, 2006
- Tales and Novels — Volume 07: Patronage [part 1]Author: Maria EdgeworthReleased on Project Gutenberg: September 1, 2005