Children of the Wild By: Charles George Douglas Roberts

Chronicles of Canada Volume 32 - The Railway Builders: A Chronicle of Overland Highways By: Oscar D. Skelton

Circus By: Alan Edward Nourse

Citadel By: Algis Budrys

Civics and Health By: William H. (WIlliam Harvey) Allen

Cluthe's Advice to the Ruptured By: Cluthe Rupture Institute

Code Three By: Rick Raphael

Cogito, Ergo Sum By: John Foster West

Collector's Item By: Robert F. Young

Combat By: Mack Reynolds

Comments on the Taxonomy and Geographic Distribution of Some North American Rabbits By: E. Raymond (Eugene Raymond) Hall

Common Science By: Carleton Washburne

Compatible By: Richard R. Smith

Competition By: James Causey

Condition of the Working-Class in England in 1844 By: Friedrich Engels

Conditions of Existence as Affecting the Perpetuation of Living Beings By: Thomas Henry Huxley

Conestoga Wagons in Braddock's Campaign, 1755 By: Donald H. Berkebile

Confessions of a Neurasthenic By: William Taylor Marrs

Confidences Talks With a Young Girl Concerning Herself By: Edith B. Lowry

Conscience By: Eliza Lee Cabot Follen

Consolations in Travel or, the Last Days of a Philosopher By: Humphry Davy

Contamination Crew By: Alan Edward Nourse

Contributions to the Theory of Natural Selection A Series of Essays By: Alfred Russel Wallace

Control Group By: Roger D. Aycock

Conversations on Chemistry, V. 1-2 In Which the Elements of that Science Are Familiarly Explained and Illustrated by Experiments By: Mrs. (Jane Haldimand) Marcet

Coral and Coral Reefs By: Thomas Henry Huxley

Coral Reefs By: Charles Darwin

Cost of Living By: Robert Sheckley

Country Walks of a Naturalist with His Children By: W. (William) Houghton

Creative Chemistry By: Edwin E. Slosson

Creatures of the Night A Book of Wild Life in Western Britain By: Alfred Wellesley Rees

Creatures of Vibration By: Harl Vincent

Crime and Its Causes By: William Douglas Morrison

Criminal Man According to the Classification of Cesare Lombroso By: Gina Lombroso

Criminal Negligence By: J. Francis McComas

Criminal Psychology; a manual for judges, practitioners, and students By: Hans Gustav Adolf Gross

Criminal Sociology By: Enrico Ferri

Criticism on "The origin of species" By: Thomas Henry Huxley

Crossroads of Destiny By: H. Beam Piper

Cry from a Far Planet By: Tom Godwin

Cubs of the Wolf By: Raymond F. Jones

Cully By: Jack Egan

Cum Grano Salis By: Randall Garrett

Cutting It Out How to get on the waterwagon and stay there By: Samuel G. (Samuel George) Blythe

Damned If You Don't By: Randall Garrett

Danger in Deep Space By: Carey Rockwell

Danger! A True History of a Great City's Wiles and Temptations The Veil Lifted, and Light Thrown on Crime and its Causes, and Criminals and their Haunts. Facts and Disclosures. By: Abraham H. Hummel

Danger! and Other Stories By: Sir Arthur Conan Doyle

Darwin and Modern Science By: A. C. (Albert Charles) Seward

Darwin, and After Darwin An Exposition of the Darwinian By: George John Romanes

Darwiniana : Essays — Volume 02 By: Thomas Henry Huxley

Darwiniana; Essays and Reviews Pertaining to Darwinism By: Asa Gray

Daughter of the Sun A Tale of Adventure By: Jackson Gregory

Daughters of Doom By: Herbert B. Livingston

Day of the Moron By: H. Beam Piper

Deaconesses in Europe and their Lessons for America By: Jane M. (Jane Marie) Bancroft

Dead Giveaway By: Randall Garrett

Dead Man's Planet By: Joseph Samachson

Dead Ringer By: Lester Del Rey

Dead World By: Jack Douglas

Dearest By: H. Beam Piper

Death of a Spaceman By: Walter M. Miller

Death Wish By: Robert Sheckley

Debian GNU/Linux : Guide to Installation and Usage By: Ossama Othman

Decision By: Frank M. Robinson

Deep Furrows By: Herbert Joseph Moorhouse

Delineations of the Ox Tribe The Natural History of Bulls, Bisons, and Buffaloes. Exhibiting all the Known Species and the More Remarkable Varieties of the Genus Bos. By: George Vasey

Derelict By: Alan Edward Nourse

Development of the Digestive Canal of the American Alligator By: A. M. (Albert Moore) Reese

Devil Crystals of Arret By: Hal K. Wells

Dinosaurs With Special Reference to the American Museum Collections By: William Diller Matthew

Discourses on a Sober and Temperate Life Wherein is demonstrated, by his own Example, the Method of Preserving Health to Extreme Old Age By: Luigi Cornaro

Discovery of Oxygen, Part 2 By: Carl Wilhelm Scheele

Disowned By: Victor A. Endersby

Disputed Handwriting By: Jerome Buell Lavay

Disqualified By: Charles Louis Fontenay

Disturbances of the Heart By: Oliver T. (Oliver Thomas) Osborne

Disturbing Sun By: Robert S. (Robert Shirley) Richardson

Divinity By: Joseph Samachson

Doctor and Patient By: S. Weir Mitchell

Doctor Jones' Picnic By: S. E. (Samuel E.) Chapman

Dogfight—1973 By: Mack Reynolds

Double Take By: Richard Wilson

DP By: Arthur Dekker Savage

Drawings and Pharmacy in Al-Zahrawi's 10th-Century Surgical Treatise By: Sami Khalaf Hamarneh

Droozle By: Frank Banta

Drug Supplies in the American Revolution By: George B. Griffenhagen

Ducks at a Distance A Waterfowl Identification Guide By: Bob Hines

Earthmen Bearing Gifts By: Fredric Brown

Edge of the Jungle By: William Beebe

Edison's Conquest of Mars By: Garrett Putman Serviss

Educational Work of the Boy Scouts By: Lorne W. (Lorne Webster) Barclay

Educational Work of the Girl Scouts By: Louise Stevens Bryant

Effects of Cross and Self Fertilisation in the Vegetable Kingdom By: Charles Darwin

Egocentric Orbit By: John Cory

Eight Keys to Eden By: Mark Clifton

Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries By: Antoine Lavoisier

Elements of Structural and Systematic Botany For High Schools and Elementary College Courses By: Douglas Houghton Campbell

Elizabeth Fry By: Emma Raymond Pitman

Elsie Inglis The Woman with the Torch By: Eva Shaw McLaren