- The Knickerbocker, or New-York Monthly Magazine, February 1844: Volume 23, Number 2Author: VariousReleased on Project Gutenberg: October 14, 2006
- The Knickerbocker, or New-York Monthly Magazine, January 1844: Volume 23, Number 1Author: VariousReleased on Project Gutenberg: September 26, 2006
- The Knickerbocker, or New-York Monthly Magazine, June 1844: Volume 23, Number 6Author: Various, Lewis Gaylord ClarkReleased on Project Gutenberg: May 15, 2008
- The Knickerbocker, or New-York Monthly Magazine, March 1844: Volume 23, Number 3Author: Various, Lewis Gaylord ClarkReleased on Project Gutenberg: January 25, 2007
- The Knickerbocker, or New-York Monthly Magazine, May 1844: Volume 23, Number 5Author: Various, Lewis Gaylord ClarkReleased on Project Gutenberg: July 30, 2007
- The Knight of the Golden Melice: A Historical RomanceAuthor: John Turvill AdamsReleased on Project Gutenberg: June 23, 2005
- The Knights of the Cross, or, Krzyzacy: Historical RomanceAuthor: Henryk Sienkiewicz, Samuel Augustus BinionReleased on Project Gutenberg: December 1, 2005
- The Knights of the White Shield: Up-the-Ladder Club Series, Round One PlayAuthor: Edward A. (Edward Augustus) RandReleased on Project Gutenberg: February 4, 2005
- The Koran (Al-Qur'an)Author: J. M. (John Medows) Rodwell, G. (George) MargoliouthReleased on Project Gutenberg: September 1, 2001
- The Koran (Al-Qur'an)Author: J. M. (John Medows) RodwellReleased on Project Gutenberg: September 1, 2002
- The Koran (Al-Qur'an)Author: Sale, GeorgeReleased on Project Gutenberg: February 1, 2005
- The Kreutzer Sonata and Other StoriesAuthor: Tolstoy, Leo, graf, Benjamin Ricketson TuckerReleased on Project Gutenberg: March 18, 2006
- The Kybalion: A Study of The Hermetic Philosophy of Ancient Egypt and GreeceAuthor: Three InitiatesReleased on Project Gutenberg: November 29, 2004
- The Labor DivideAuthor: Samuel Vaknin, Rangelovska, Lidija [Editor]Released on Project Gutenberg: June 1, 2004
- The Ladder to LearningAuthor: Lovechild, MissReleased on Project Gutenberg: November 27, 2004
- The Ladies DelightAuthor: AnonymousReleased on Project Gutenberg: November 10, 2004
- The Ladies' Vase; Or, Polite Manual for Young LadiesAuthor: American ladyReleased on Project Gutenberg: October 4, 2005
- The Ladies' Work-Book: Containing Instructions In Knitting, Crochet, Point-Lace, etc.Author: UnknownReleased on Project Gutenberg: August 27, 2005
- The Lady and Sada San: A Sequel to the Lady of the DecorationAuthor: Frances LittleReleased on Project Gutenberg: May 1, 2004
- The Lady and the Pirate: Being the Plain Tale of a Diligent Pirate and a Fair CaptiveAuthor: Emerson Hough, Mathes, Harry A. [Illustrator]Released on Project Gutenberg: March 24, 2008
- The Lady DocAuthor: Caroline Lockhart, Gayle Porter HoskinsReleased on Project Gutenberg: November 3, 2007
- The Lady from the SeaAuthor: Henrik Ibsen, Eleanor Marx AvelingReleased on Project Gutenberg: August 1, 2001
- The Lady of Big ShantyAuthor: F. Berkeley (Frank Berkeley) SmithReleased on Project Gutenberg: July 22, 2004
- The Lady of BlossholmeAuthor: H. Rider (Henry Rider) HaggardReleased on Project Gutenberg: April 13, 2006
- The Lady of Fort St. JohnAuthor: Mary Hartwell CatherwoodReleased on Project Gutenberg: June 19, 2006
- The Lady of Lyons; Or, Love and PrideAuthor: Lytton, Edward Bulwer Lytton, BaronReleased on Project Gutenberg: January 1, 2001
- The Lady of the AroostookAuthor: William Dean HowellsReleased on Project Gutenberg: March 1, 2005
- The Lady of the Barge: The Lady of the Barge and Others, Part 1.Author: W. W. (William Wymark) Jacobs, Maurice Greiffenhagen, Richards, Amy, activeReleased on Project Gutenberg: April 1, 2004
- The Lady of the Barge and Others, Entire CollectionAuthor: W. W. (William Wymark) Jacobs, Maurice Greiffenhagen, Richards, Amy, active, James Frank SullivanReleased on Project Gutenberg: April 1, 2004
- The lady of the basement flatAuthor: Vaizey, George de Horne, Mrs., Elizabeth BellowsReleased on Project Gutenberg: October 20, 2007
- The Lady of the DecorationAuthor: Frances LittleReleased on Project Gutenberg: February 1, 2005
- The Lady of the Ice: A NovelAuthor: James De MilleReleased on Project Gutenberg: July 7, 2007
- The Lady of the LakeAuthor: Walter ScottReleased on Project Gutenberg: January 1, 2002
- The Lady of the ShroudAuthor: Bram StokerReleased on Project Gutenberg: February 1, 2002
- The Lady ParamountAuthor: Henry HarlandReleased on Project Gutenberg: November 18, 2006
- The Lady with the Dog and Other StoriesAuthor: Anton Pavlovich Chekhov, Constance GarnettReleased on Project Gutenberg: September 9, 2004
- The Lady's Album of Fancy Work for 1850: Consisting of Novel, Elegant, and Useful Designs in Knitting, Netting, Crochet, Braiding, and Embroidery, with Clear and Explicit Directions for Working the PatternsAuthor: UnknownReleased on Project Gutenberg: June 1, 2004
- The Lady, or the Tiger?Author: Frank R. StocktonReleased on Project Gutenberg: January 1, 1996
- The Lair of the White WormAuthor: Bram StokerReleased on Project Gutenberg: February 1, 1998
- The Laird's Luck and Other Fireside TalesAuthor: Arthur Quiller-CouchReleased on Project Gutenberg: July 17, 2004
- The LakeAuthor: George MooreReleased on Project Gutenberg: February 1, 2004
- The Lake GunAuthor: James Fenimore CooperReleased on Project Gutenberg: September 1, 2000
- The Lake of the Sky: Lake Tahoe in the High Sierras of California and Nevada, its History, Indians, Discovery by Frémont, Legendary Lore, Various Namings, Physical Characteristics, Glacial Phenomena, Geology, Single Outlet, Automobile Routes, Historic Towns, Early Mining Excitements, Steamer Ride, MiAuthor: George Wharton JamesReleased on Project Gutenberg: August 13, 2004
- The Lamp and the Bell: A Drama In Five ActsAuthor: Edna St. Vincent MillayReleased on Project Gutenberg: February 1, 2003
- The Lamp in the DesertAuthor: Ethel M. (Ethel May) DellReleased on Project Gutenberg: October 16, 2004
- The Lamp of FateAuthor: Pedler, Margaret, -Released on Project Gutenberg: April 13, 2006
- The LamplighterAuthor: Charles DickensReleased on Project Gutenberg: May 1, 1997
- The Lancashire Witches: A Romance of Pendle ForestAuthor: William Harrison Ainsworth, John GilbertReleased on Project Gutenberg: March 29, 2005
- The Lances of LynwoodAuthor: Charlotte M. (Charlotte Mary) YongeReleased on Project Gutenberg: August 1, 2003
- The Land of Contrasts: A Briton's View of His American KinAuthor: James F. (James Fullarton) MuirheadReleased on Project Gutenberg: January 31, 2006
- The Land of Deepening Shadow: Germany-at-WarAuthor: D. Thomas (Daniel Thomas) CurtinReleased on Project Gutenberg: May 1, 2004
- The Land of Fire: A Tale of AdventureAuthor: Mayne ReidReleased on Project Gutenberg: April 28, 2008
- The Land of FootprintsAuthor: Stewart Edward WhiteReleased on Project Gutenberg: July 1, 1998
- The Land of Heart's DesireAuthor: W. B. (William Butler) YeatsReleased on Project Gutenberg: February 1, 2004
- The Land of Heart's DesireAuthor: W. B. (William Butler) YeatsReleased on Project Gutenberg: February 23, 2005
- The Land of Little RainAuthor: Mary AustinReleased on Project Gutenberg: July 9, 2008
- The Land of Little RainAuthor: Mary AustinReleased on Project Gutenberg: November 1, 2003
- The Land of Midian (Revisited) — Volume 1Author: Burton, Richard Francis, SirReleased on Project Gutenberg: December 1, 2004
- The Land of Midian (Revisited) — Volume 2Author: Burton, Richard Francis, SirReleased on Project Gutenberg: December 1, 2004
- The Land of MysteryAuthor: Edward Sylvester EllisReleased on Project Gutenberg: October 10, 2005