Patent Laws of the Republic of Hawaii and Rules of Practice in the Patent Office By: Hawaii

Peat and its Uses as Fertilizer and Fuel By: Samuel W. (Samuel William) Johnson

Pedagogics as a System By: Karl Rosenkranz

Peeps at People - Being Certain Papers from the Writings of Anne Warrington Witherup By: John Kendrick Bangs

Pennsylvania Dutch Cooking By: Unknown

Perfumes and their Preparation By: George William Askinson

Pictures from Italy By: Charles Dickens

Pierrot, Dog Of Belgium By: Walter Alden Dyer

Pioneer Work in Opening the Medical Profession to Women By: Elizabeth Blackwell

Plain Living By: Rolf Boldrewood

Political and Literary essays, 1908-1913 By: Evelyn Baring Cromer

Popular Education For the use of Parents and Teachers, and for Young Persons of Both Sexes By: Ira Mayhew

Post Mortem: Essays, Historical And Medical By: Charles MacLaurin

Practical Education, Volume I By: Maria Edgeworth

Practical Pointers for Patentees By: Franklin Allison Cresee

Practical Rules for the Management of a Locomotive Engine in the Station, on the Road, and in cases of Accident By: Charles Hutton Gregory

Pragmatism By: William James

Prairie Farmer, Vol. 56: No. 1, January 5, 1884. A Weekly Journal for the Farm, Orchard and Fireside By: Various

Prairie Farmer, Vol. 56: No. 3, January 19, 1884. A Weekly Journal for the Farm, Orchard and Fireside By: Various

Prairie Farmer, Vol. 56: No. 4, January 26, 1884 A Weekly Journal for the Farm, Orchard and Fireside By: Various

Prairie Traveler By: Randolph B. Marcy

Pratt's Practical Pointers on the Care of Livestock and Poultry By: Pratt Food Company

Prehistoric Men By: Robert J. Braidwood

Preliminary Specifications: Programmed Data Processor Model Three (PDP-3) October, 1960 By: Digital Equipment Corporation

Pressure, Resistance, and Stability of Earth American Society of Civil Engineers: Transactions, Paper No. 1174, Volume LXX, December 1910 By: J. C. Meem

Principles of Mining Valuation, Organization and Administration By: Herbert Hoover

Principles of Teaching By: Adam S. (Adam Samuel) Bennion

Prophet By: Kahlil Gibran

Proposed Roads to Freedom By: Bertrand Russell

Protagoras By: Plato (Πλάτων)

Psychotherapy By: Hugo Münsterberg

Public Opinion By: Walter Lippmann