Peter Cooper The Riverside Biographical Series, Number 4 By: Rossiter W. (Rossiter Worthington) Raymond

Pharaoh's Broker Being the Very Remarkable Experiences in Another World of Isidor Werner By: Ellsworth Douglass

Philadelphia Negro: A Social Study By: W. E. B. Du Bois

Philosophical Transactions of the Royal Society - Vol 1 - 1666 Giving some Accompt of the present Undertakings, Studies, and Labours of the Ingenious in many considerable parts of the World By: Various

Philosophy of Osteopathy By: A. T. (Andrew Taylor) Still

Physics By: Aristotle

Physics and Politics, or, Thoughts on the application of the principles of "natural selection" and "inheritance" to political society By: Walter Bagehot

Pioneer Surgery in Kentucky A Sketch By: David Wendel Yandell

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

Pipe of Peace By: James McKimmey

Pirates of the Gorm By: Nathan Schachner

Plain Facts for Old and Young By: John Harvey Kellogg

Planet of Dreams By: James McKimmey

Pleasant Journey By: Richard F. Thieme

Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers By: Garrett Putman Serviss

Pleistocene Bats from San Josecito Cave, Nuevo Leon, Mexico By: J. Knox Jones

Poisoned Air By: Sterner S. Meek

Police Your Planet By: Lester del Rey

Policing the Plains Being the Real-Life Record of the Famous North-West Mounted Police By: R. G. (Roderick George) MacBeth

Politics: A Treatise on Government By: Unknown

Popular Lectures on Scientific Subjects By: Hermann von Helmholtz

Popular Lectures on Zoonomia Or The Laws of Animal Life, in Health and Disease By: Thomas Garnett

Popular Science Monthly Oct, Nov, Dec, 1915 — Volume 86 By: Anonymous

Popular Superstitions, and the Truths Contained Therein By: Herbert Mayo

Porto Rico: The Land of the Rich Port By: Joseph B. Seabury

Possessed By: Cleveland Moffett

Postmark Ganymede By: Robert Silverberg

Power Through Repose By: Annie Payson Call

Practical Talks by an Astronomer By: Harold Jacoby

Practical Taxidermy A manual of instruction By: Montagu Browne

Prehistoric Men By: Robert J. Braidwood

Prejudices, First Series By: H. L. Mencken

Preliminary Report on Neo-Fascist and Hate Groups By: House Un-American Activities Committee

Prelude to Space By: Robert W. Haseltine

Prevalence of Imprisonment in the U.S. Population, 1974-2001 By: Thomas P. Bonczar

Preventable Diseases By: Woods Hutchinson

Priestess of the Flame By: Sewell Peaslee Wright

Priestley in America 1794-1804 By: Edgar Fahs Smith

Primitive Love and Love-Stories By: Henry Theophilus Finck

Primitive Psycho-Therapy and Quackery By: Robert Means Lawrence

Princes and Poisoners: Studies of the Court of Louis XIV By: Frantz Funck-Brentano

Prisoners of Poverty Abroad By: Helen Campbell

Prisoners Their Own Warders A Record of the Convict Prison at Singapore in the Straits Settlements Established 1825 By: W. D. Bayliss

PRoblem By: Alan Edward Nourse

Problems of Poverty By: John A. Hobson

Prof. Koch's Method to Cure Tuberculosis Popularly Treated By: Max Birnbaum

Project Trinity 1945-1946 By: Steve Rohrer

Prologue to an Analogue By: Leigh Richmond

Proserpina, Volume 1 Studies of Wayside Flowers, While the Air was Yet Pure Among the Alps and in the Scotland and England Which My Father Knew By: John Ruskin

Proserpina, Volume 2 Studies of Wayside Flowers, While the Air was Yet Pure Among the Alps and in the Scotland and England Which My Father Knew By: John Ruskin

Psichopath By: Randall Garrett

Psychology of Peoples: Its Influence on Their Evolution By: Gustave Le Bon

Psychology of the Unconscious By: Carl Gustav Jung

Psychotherapy By: Hugo Münsterberg

Pushbutton War By: Joseph Paul Martino

Pygmalion's Spectacles By: Stanley Grauman Weinbaum

Pythias By: Frederik Pohl

Q. E. D., or New Light on the Doctrine of Creation By: George McCready Price

Quadrupeds, What They Are and Where Found A Book of Zoology for Boys By: Mayne Reid

Queer Little Folks By: Harriet Beecher Stowe

Question of Comfort By: Les Collins

Quiet, Please By: Kevin Scott

Radioisotopes and Life Processes By: Renato Baserga

Radioisotopes in Medicine By: Earl W. Phelan

Raiders Invisible By: Desmond Winter Hall

Raiders of the Universes By: Donald Wandrei

Random Reminiscences of Men and Events By: John D. Rockefeller

Recollections of Imperial Russia By: Meriel Buchanan

Records of a Family of Engineers By: Robert Louis Stevenson

Records of the Fossil Mammal Sinclairella, Family Apatemyidae, From the Chadronian and Orellan By: William Alvin Clemens

Red Reign: The True Story of an Adventurous Year in Russia By: Kellogg Durland

Reel Life Films By: Sam Merwin

Reflections on the Decline of Science in England By: Charles Babbage

Regeneration By: Katherine MacLean

Religion and Lust or, The Psychical Correlation of Religious Emotion and Sexual Desire By: James Weir

Reluctant Genius By: Henry Slesar

Remarks Concerning Stones Said to Have Fallen from the Clouds, Both in These Days, and in Antient Times By: Edward King

Remarks on the Subject of Lactation By: Edward Morton

Remember the Alamo! By: T. R. Fehrenbach

Report of the Committee of Inquiry into the Various Aspects of the Problem of Abortion in New Zealand By: New Zealand Committee

Report of the Juvenile Delinquency Committee By: R. M. (Ronald Macmillan) Algie

Report of the Knaresbrough Rail-way Committee By: England) Knaresbrough Rail-Way Committee (Knaresborough

Report of the National Advisory Commission on Civil Disorders (Kerner Commission Report) By: National Advisory Commission on Civil Disorders

Report of the President's Commission on the Accident at Three Mile Island By: President's Commission on the Accident at Three Mile Is

Report of the Railway Department of the Board of Trade on the London, Worcester, and Wolverhampton, and on the Birmingham and Shrewsbury Districts By: Great Britain. Board of Trade. Railway Dept.

Report of the Special Committee on Moral Delinquency in Children and Adolescents By: New Zealand. Special Committee on Moral Delinquency in Children and Adolescents

Report on Securing and Growing the Digital Economy By: The Commission on Enhancing National Cybersecurity

Report on Surgery to the Santa Clara County Medical Society By: Joseph Bradford Cox

Report to the President by the Presidential Commission on the Space Shuttle Challenger Accident By: Presidential Commission on the Space Shuttle Challenger

Republic (version 2) By: Plato (Πλάτων)

Rescue Squad By: Thomas J. O'Hara

Researches into the Physical History of Man By: James Cowles Prichard

Researches on Cellulose 1895-1900 By: C. F. (Charles Frederick) Cross

Respiration Calorimeters for Studying the Respiratory Exchange and Energy Transformations of Man By: Thorne M. (Thorne Martin) Carpenter

Response in the Living and Non-Living By: Jagadis Chandra Bose

Resurrection By: Robert Shea

Return-Loads Bureaus To Save Waste In Transportation By: United States. Council of National Defense. Highways Transport Committee

Revenge By: Arthur Porges

Revolted Woman By: Charles George Harper

Rex Ex Machina By: Frederic Max