- A PhilanthropistAuthor: Josephine Daskam BaconReleased on Project Gutenberg: November 6, 2007
- A Philological Essay Concerning the Pygmies of the AncientsAuthor: Edward Tyson, Windle, Bertram Coghill Alan, SirReleased on Project Gutenberg: July 8, 2004
- A philosophicall essay for the reunion of the languagesAuthor: Pierre BesnierReleased on Project Gutenberg: April 18, 2005
- A Phyllis of the SierrasAuthor: Bret HarteReleased on Project Gutenberg: May 25, 2006
- A Picture Book, for Little ChildrenAuthor: AnonymousReleased on Project Gutenberg: November 22, 2007
- A Pirate of the CaribbeesAuthor: Harry Collingwood, Charles John de LacyReleased on Project Gutenberg: April 13, 2007
- A Place so ForeignAuthor: Cory DoctorowReleased on Project Gutenberg: September 19, 2005
- A Plain Cookery Book for the Working ClassesAuthor: Charles Elmé FrancatelliReleased on Project Gutenberg: July 21, 2007
- A Plea for Captain John Brown: Read to the citizens of Concord, Massachusetts on Sunday evening, October thirtieth, eighteen fifty-nineAuthor: Henry David ThoreauReleased on Project Gutenberg: March 1, 2001
- A Plea for Old Cap CollierAuthor: Irvin S. (Irvin Shrewsbury) CobbReleased on Project Gutenberg: September 1, 1999
- A Pluralistic Universe: Hibbert Lectures at Manchester College on the Present Situation in PhilosophyAuthor: William JamesReleased on Project Gutenberg: April 1, 2004
- A Poetical Cook-BookAuthor: Moss, Maria J.Released on Project Gutenberg: May 28, 2008
- A Political and Social History of Modern Europe V.1.Author: Carlton J. H. (Carlton Joseph Huntley) HayesReleased on Project Gutenberg: September 1, 2004
- A Political Diary, 1828-1830, Volume IIAuthor: Ellenborough, Edward Law, Earl of, Colchester, Reginald Charles Edward Abbot, 3d BaronReleased on Project Gutenberg: January 1, 2004
- A Political History of the State of New York, Volumes 1-3Author: De Alva Stanwood AlexanderReleased on Project Gutenberg: September 12, 2007
- A Political RomanceAuthor: Laurence SterneReleased on Project Gutenberg: January 2, 2007
- A Poor Man's HouseAuthor: Stephen Sydney ReynoldsReleased on Project Gutenberg: July 25, 2008
- A Poor Wise ManAuthor: Mary Roberts RinehartReleased on Project Gutenberg: November 1, 1999
- A Popular Account of Dr. Livingstone's Expedition to the Zambesi and Its Tributaries: And of the Discovery of Lakes Shirwa and Nyassa, 1858-1864Author: David LivingstoneReleased on Project Gutenberg: February 1, 2001
- A Popular History of France from the Earliest Times, Volume 1Author: François Guizot, Alphonse Marie de Neuville, Black, RobertReleased on Project Gutenberg: April 1, 2004
- A Popular History of France from the Earliest Times, Volume 2Author: François Guizot, Alphonse Marie de Neuville, Black, RobertReleased on Project Gutenberg: April 1, 2004
- A Popular History of France from the Earliest Times, Volume 3Author: François Guizot, Alphonse Marie de Neuville, Black, RobertReleased on Project Gutenberg: April 1, 2004
- A Popular History of France from the Earliest Times, Volume 4Author: François Guizot, Alphonse Marie de Neuville, Black, RobertReleased on Project Gutenberg: April 1, 2004
- A Popular History of France from the Earliest Times, Volume 5Author: François Guizot, Alphonse Marie de Neuville, Black, RobertReleased on Project Gutenberg: April 1, 2004
- A Popular History of France from the Earliest Times, Volume 6Author: François Guizot, Alphonse Marie de Neuville, Black, RobertReleased on Project Gutenberg: April 1, 2004
- A Popular History of Ireland : from the Earliest Period to the Emancipation of the Catholics - Volume 2Author: Thomas D'Arcy McGeeReleased on Project Gutenberg: October 1, 2004
- A Popular History of Ireland : from the Earliest Period to the Emancipation of the Catholics — CompleteAuthor: Thomas D'Arcy McGeeReleased on Project Gutenberg: October 1, 2004
- A Popular History of Ireland : from the Earliest Period to the Emancipation of the Catholics — Volume 1Author: Thomas D'Arcy McGeeReleased on Project Gutenberg: October 1, 2004
- A Popular History of the Art of Music: From the Earliest Times Until the PresentAuthor: W. S. B. (William Smythe Babcock) MathewsReleased on Project Gutenberg: January 5, 2007
- A Popular SchoolgirlAuthor: Angela Brazil, Balliol SalmonReleased on Project Gutenberg: June 5, 2006
- A Portrait of the Artist as a Young ManAuthor: James JoyceReleased on Project Gutenberg: July 1, 2003
- A Portraiture of Quakerism, Volume 1: Taken from a View of the Education and Discipline, Social Manners, Civil and Political Economy, Religious Principles and Character, of the Society of FriendsAuthor: Thomas ClarksonReleased on Project Gutenberg: March 4, 2005
- A Portraiture of Quakerism, Volume 2: Taken from a View of the Education and Discipline, Social Manners, Civil and Political Economy, Religious Principles and Character, of the Society of FriendsAuthor: Thomas ClarksonReleased on Project Gutenberg: March 4, 2005
- A Portraiture of Quakerism, Volume 3: Taken from a View of the Education and Discipline, Social Manners, Civil and Political Economy, Religious Principles and Character, of the Society of FriendsAuthor: Thomas ClarksonReleased on Project Gutenberg: March 9, 2005
- A Positive Romance: 1898Author: Edward BellamyReleased on Project Gutenberg: September 21, 2007
- A practical directory for young Christian femalesAuthor: Harvey NewcombReleased on Project Gutenberg: March 6, 2006
- A Practical Discourse on Some Principles of Hymn-SingingAuthor: Robert BridgesReleased on Project Gutenberg: June 6, 2007
- A Practical Guide to Self-HypnosisAuthor: Melvin PowersReleased on Project Gutenberg: September 30, 2007
- A Practical Illustration of "Woman's Right to Labor": A Letter from Marie E. Zakrzewska, M.D. Late of Berlin, PrussiaAuthor: Marie E. (Marie Elizabeth) Zakrzewska, Caroline Wells Healey DallReleased on Project Gutenberg: February 1, 2004
- A Practical Physiology: A Text-Book for Higher SchoolsAuthor: Albert F. (Albert Franklin) BlaisdellReleased on Project Gutenberg: December 1, 2003
- A Practical View of the Prevailing Religious System of Professed Christians, in the Middle and Higher Classes in this Country, Contrasted with Real Christianity.Author: William WilberforceReleased on Project Gutenberg: June 6, 2008
- A preface to politicsAuthor: Walter LippmannReleased on Project Gutenberg: December 16, 2006
- A Prefect's UncleAuthor: P. G. (Pelham Grenville) WodehouseReleased on Project Gutenberg: November 1, 2004
- A Preliminary Revision of the North American Species of Cactus, Anhalonium, and LophophoraAuthor: John Merle CoulterReleased on Project Gutenberg: February 1, 1998
- A primary readerAuthor: E. Louise (Emma Louise) SmytheReleased on Project Gutenberg: April 1, 2005
- A Primer of QuaternionsAuthor: Arthur S. (Arthur Stafford) HathawayReleased on Project Gutenberg: February 1, 2006
- A Prince of BohemiaAuthor: Honoré de Balzac, Clara BellReleased on Project Gutenberg: July 6, 2005
- A Prince of Cornwall: A Story of Glastonbury and the West in the Days of Ina of WessexAuthor: Charles W. (Charles Watts) WhistlerReleased on Project Gutenberg: August 29, 2004
- A Prince of SinnersAuthor: E. Phillips (Edward Phillips) OppenheimReleased on Project Gutenberg: October 30, 2005
- A princess of MarsAuthor: Edgar Rice BurroughsReleased on Project Gutenberg: April 1, 1993
- A Prisoner in Fairyland (The Book That 'Uncle Paul' Wrote)Author: Algernon BlackwoodReleased on Project Gutenberg: July 1, 2004
- A Prisoner of Morro; Or, In the Hands of the EnemyAuthor: Upton SinclairReleased on Project Gutenberg: March 6, 2008
- A Project for Flying: In Earnest at Last!Author: Hardley, RobertReleased on Project Gutenberg: February 1, 2004
- A Protegee of Jack Hamlin's, and Other StoriesAuthor: Bret HarteReleased on Project Gutenberg: May 25, 2006
- A Psychiatric Milestone: Bloomingdale Hospital Centenary, 1821-1921Author: Society of the New York Hospital [Editor]Released on Project Gutenberg: March 14, 2005
- A Psychological Counter-Current in Recent FictionAuthor: William Dean HowellsReleased on Project Gutenberg: November 1, 1996
- A Publisher and His Friends: Memoir and Correspondence of John Murray; with an Account of the Origin and Progress of the House, 1768-1843Author: Samuel Smiles, Murray, John, Thomas MackayReleased on Project Gutenberg: January 1, 2004
- A Queen's ErrorAuthor: Henry CurtiesReleased on Project Gutenberg: May 25, 2008
- A queens delightAuthor: AnonymousReleased on Project Gutenberg: February 12, 2005
- A QuestionAuthor: Georg Ebers, Mary J. (Mary Joanna) SaffordReleased on Project Gutenberg: April 1, 2004