By Proxy By: Randall Garrett

Chatterbox Stories of Natural History By: Anonymous

The Death-Traps of FX-31 By: Sewell Peaslee Wright

The Servant Problem By: Robert F. Young

Moral Principles and Medical Practice The Basis of Medical Jurisprudence By: Charles Coppens

The Measure of a Man By: Randall Garrett

A Treatise on Physiology and Hygiene For Educational Institutions and General Readers By: Joseph Chrisman Hutchison

Hard Guy By: H. B. Carleton

There Will Be School Tomorrow By: V. E. Thiessen

Birds and Bees, Sharp Eyes, and Other Papers By: John Burroughs

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

The Social Emergency Studies in Sex Hygiene and Morals By: William Trufant Foster

The Human Side of Animals By: Royal Dixon

Suite Mentale By: Randall Garrett

Adenoids: What They Are, How To Recognize Them, What To Do For Them By: United States. Public Health Service

Six Lectures on Light Delivered In The United States In 1872-1873 By: John Tyndall

Resurrection By: Robert Shea

Sir Jagadis Chunder Bose His Life and Speeches By: Jagadis Chandra Bose

Dead Giveaway By: Randall Garrett

The Jameson Satellite By: Neil Ronald Jones

Stairway to the Stars By: Larry T. Shaw

Egocentric Orbit By: John Cory

United States Census Figures Back to 1630 By: United States. Bureau of the Census

Edison's Conquest of Mars By: Garrett Putman Serviss

Hanging by a Thread By: Randall Garrett

Oneness By: James H. Schmitz

Foundling on Venus By: John De Courcy

The Weakling By: Everett B. Cole

In Case of Fire By: Randall Garrett

Off Course By: Mack Reynolds

The Unnecessary Man By: Randall Garrett

The Delegate from Venus By: Henry Slesar

The Man Who Played to Lose By: Laurence M. Janifer

The Planetoid of Peril By: Paul Ernst

The Dark Door By: Alan Edward Nourse

Coral Reefs By: Charles Darwin

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

The Mightiest Man By: Patrick Fahy

Instruction for Using a Slide Rule By: W. Stanley

The Beginnings of Cheap Steel By: Philip W. Bishop

Second Sight By: Alan Edward Nourse

Flying Saucers are Real By: Donald Keyhoe

The Dope on Mars By: Jack Sharkey

Friends in Feathers and Fur, and Other Neighbors For Young Folks By: James Johonnot

The Mayflower, January, 1905 By: Various

William Harvey and the Circulation of the Blood By: Thomas Henry Huxley

A Bottle of Old Wine By: Richard O. Lewis

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

Millennium By: Everett B. Cole

Spacemen Never Die! By: Morris Hershman

Young Knights of the Empire : Their Code, and Further Scout Yarns By: Robert Baden-Powell

Subjectivity By: Norman Spinrad

The Asses of Balaam By: Randall Garrett

Trees Are Where You Find Them By: Arthur Dekker Savage

A Transmutation of Muddles By: Horace Brown Fyfe

Has Anyone Here Seen Kelly? By: Bryce Walton

The Outbreak of Peace By: Horace Brown Fyfe

A Prize for Edie By: Jesse F. Bone

Heist Job on Thizar By: Randall Garrett

The Trouble with Telstar By: John Berryman