Deportation Cases of 1919-1920 By: Constantine Panunzio

Deportation: Its Meaning and Menace. Last Message to the People of America By: Emma Goldman

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