- PiratesAuthor: Johnson, Charles, active, Claud Lovat Fraser, Defoe, DanielReleased on Project Gutenberg: January 27, 2008
- Pirke Avot: The Sayings of the Jewish FathersAuthor: Joseph I. (Joseph Isaac) GorfinkleReleased on Project Gutenberg: July 1, 2005
- Pirke Avot: The Sayings of the Jewish FathersAuthor: Joseph I. (Joseph Isaac) GorfinkleReleased on Project Gutenberg: July 1, 2005
- Pitman's Commercial Spanish Grammar (2nd ed.)Author: Toledano, C. A.Released on Project Gutenberg: February 21, 2005
- Pixie O'ShaughnessyAuthor: Vaizey, George de Horne, Mrs., William H. C. GroomeReleased on Project Gutenberg: April 16, 2007
- Pixy's Holiday JourneyAuthor: Lang, George, Mary E. (Mary Eliza) IrelandReleased on Project Gutenberg: March 21, 2005
- Plague ShipAuthor: Andre NortonReleased on Project Gutenberg: October 23, 2005
- Plain Facts for Old and YoungAuthor: John Harvey KelloggReleased on Project Gutenberg: November 27, 2006
- Plain JaneAuthor: George, G. M., Fry, G. M. C. [Illustrator]Released on Project Gutenberg: November 12, 2007
- Plain Tales from the HillsAuthor: Rudyard KiplingReleased on Project Gutenberg: August 1, 1999
- Plain Words from America: A Letter to a German Professor (1917)Author: Douglas Wilson JohnsonReleased on Project Gutenberg: November 1, 2003
- Planet of the DamnedAuthor: Harry HarrisonReleased on Project Gutenberg: June 20, 2007
- Plantation sketchesAuthor: Margaret Devereux, Arthur WinslowReleased on Project Gutenberg: September 19, 2007
- Platform MonologuesAuthor: T. G. (Thomas George) TuckerReleased on Project Gutenberg: August 2, 2006
- Plato and PlatonismAuthor: Walter PaterReleased on Project Gutenberg: May 1, 2003
- Play the Game!Author: Ruth Comfort MitchellReleased on Project Gutenberg: May 27, 2007
- Play-Making: A Manual of CraftsmanshipAuthor: William ArcherReleased on Project Gutenberg: January 1, 2004
- Playful PoemsAuthor: Henry MorleyReleased on Project Gutenberg: August 1, 2004
- PlaysAuthor: Glaspell, SusanReleased on Project Gutenberg: January 1, 2004
- PlaysAuthor: Aleksandr Nikolaevich Ostrovsky, George Rapall NoyesReleased on Project Gutenberg: January 1, 2004
- Plays : Fifth SeriesAuthor: John GalsworthyReleased on Project Gutenberg: September 26, 2004
- Plays : First SeriesAuthor: John GalsworthyReleased on Project Gutenberg: September 26, 2004
- Plays : Fourth SeriesAuthor: John GalsworthyReleased on Project Gutenberg: September 26, 2004
- Plays : Second SeriesAuthor: John GalsworthyReleased on Project Gutenberg: September 26, 2004
- Plays : Third SeriesAuthor: John GalsworthyReleased on Project Gutenberg: September 26, 2004
- Plays and PuritansAuthor: Charles KingsleyReleased on Project Gutenberg: March 1, 2002
- Plays by Anton Chekhov, Second SeriesAuthor: Anton Pavlovich Chekhov, Julius WestReleased on Project Gutenberg: April 1, 2005
- Plays by August Strindberg, Second seriesAuthor: August Strindberg, Edwin BjörkmanReleased on Project Gutenberg: December 13, 2004
- Plays by August Strindberg: Creditors. Pariah.Author: August Strindberg, Edwin BjörkmanReleased on Project Gutenberg: February 1, 2004
- Plays of Gods and MenAuthor: Lord DunsanyReleased on Project Gutenberg: February 1, 2004
- Plays of Near & FarAuthor: Lord DunsanyReleased on Project Gutenberg: September 27, 2006
- Plays of Sophocles: Oedipus the King; Oedipus at Colonus; AntigoneAuthor: Sophocles, Francis StorrReleased on Project Gutenberg: March 8, 2006
- Plays, Acting and Music: A Book Of TheoryAuthor: Arthur SymonsReleased on Project Gutenberg: November 2, 2004
- Plays: Comrades; Facing Death; Pariah; EasterAuthor: August Strindberg, Edith Oland, Warner OlandReleased on Project Gutenberg: July 1, 2005
- Plays: the Father; Countess Julie; the Outlaw; the StrongerAuthor: August Strindberg, Edith Oland, Warner OlandReleased on Project Gutenberg: July 1, 2005
- Pleasing Stories for Good Children with PicturesAuthor: AnonymousReleased on Project Gutenberg: March 2, 2008
- Plotting in pirate seasAuthor: Francis Rolt-Wheeler, C. A. (Charles A.) FedererReleased on Project Gutenberg: July 10, 2007
- Pluck on the Long Trail; Or, Boy Scouts in the RockiesAuthor: Edwin L. (Edwin Legrand) Sabin, Clarence RoweReleased on Project Gutenberg: February 28, 2007
- Plum Pudding: Of Divers Ingredients, Discreetly Blended & SeasonedAuthor: Christopher MorleyReleased on Project Gutenberg: May 7, 2005
- Plunkitt of Tammany Hall: a series of very plain talks on very practical politics, delivered by ex-Senator George Washington Plunkitt, the Tammany philosopher, from his rostrum—the New York County court house bootblack stand; Recorded by William L. RiordonAuthor: George Washington Plunkitt, William L. RiordonReleased on Project Gutenberg: September 1, 2001
- Plutarch's Lives, Volume 1 (of 4)Author: Plutarch, 46-, George Long, Aubrey StewartReleased on Project Gutenberg: November 12, 2004
- Plutarch's Lives, Volume 2 (of 4)Author: Plutarch, 46-, George Long, Aubrey StewartReleased on Project Gutenberg: November 22, 2004
- Plutarch's Lives, Volume 3 (of 4)Author: Plutarch, 46-, George Long, Aubrey StewartReleased on Project Gutenberg: November 24, 2004
- Plutarch's MoralsAuthor: Plutarch, 46-, A. R. (Arthur Richard) ShilletoReleased on Project Gutenberg: November 27, 2007
- Plutarch: Lives of the noble Grecians and RomansAuthor: Plutarch, 46-, Arthur Hugh CloughReleased on Project Gutenberg: October 1, 1996
- Po-No-Kah: An Indian Tale of Long AgoAuthor: Mary Mapes DodgeReleased on Project Gutenberg: April 1, 2004
- Pocahontas: A PoemAuthor: Virginia Carter CastlemanReleased on Project Gutenberg: February 1, 2006
- Pocket Island: A Story of Country Life in New EnglandAuthor: Charles Clark MunnReleased on Project Gutenberg: December 8, 2006
- Poemata : Latin, Greek and Italian Poems by John MiltonAuthor: John Milton, William CowperReleased on Project Gutenberg: November 1, 2004
- PoemsAuthor: Alan SeegerReleased on Project Gutenberg: August 1, 1996
- PoemsAuthor: Frances Ellen Watkins HarperReleased on Project Gutenberg: October 1, 1996
- PoemsAuthor: Wilfred Owen, Siegfried SassoonReleased on Project Gutenberg: September 1, 1997
- PoemsAuthor: Alice MeynellReleased on Project Gutenberg: February 1, 1998
- PoemsAuthor: Francis ThompsonReleased on Project Gutenberg: September 1, 1998
- PoemsAuthor: T. S. (Thomas Stearns) EliotReleased on Project Gutenberg: December 1, 1998
- PoemsAuthor: William Ernest HenleyReleased on Project Gutenberg: December 1, 1998
- PoemsAuthor: George Pope MorrisReleased on Project Gutenberg: March 1, 2001
- PoemsAuthor: Madison Julius Cawein, William Dean HowellsReleased on Project Gutenberg: March 1, 2005
- PoemsAuthor: Robert SoutheyReleased on Project Gutenberg: June 1, 2005
- PoemsAuthor: Victor HugoReleased on Project Gutenberg: August 1, 2005