Books in Browsing: Environmental Issues (sorted alphabetically)
- Climatic Changes: Their Nature and Causes Ellsworth Huntington and Stephen Sargent Visher
- Coal and the coal mines Homer Greene
- Commercial Products of the Vegetable Kingdom P. L. Simmonds
- Common Nature of Epidemics, and their relation to climate and civilization Southwood Smith
- Comparison of Methods of Sewage Purification Theodore Clifford Phillips and Edward John Schneider
- Complete Story of the San Francisco Horror Trumbull White, Richard Linthicum, and Samuel Fallows
- Conservation of marine birds of northern North America:
- Conservation Reader Harold W. Fairbanks
- Conservation Through Engineering Franklin K. Lane
- Den Hunting as a Means of Coyote Control Harold Warren Dobyns and Stanley Paul Young
- Deserts: Geology and Resources A. S. Walker
- Dirty Dustbins and Sloppy Streets H. Percy Boulnois
- Draft of a Plan for Beginning Animal Sanctuaries in Labrador William Wood
- drooglegging der Zuiderzee. Het plan J. Ulehake contra het plan C. Lely (Dutch) J. Ulehake
- Earth as Modified by Human Action George P. Marsh
- Ecological Studies of the Timber Wolf in Northeastern Minnesota L. David Mech, Louis Daniel Frenzel, Robert R. Ream, John W. Winship, and P. D. Karns
- eerste ontwerp voor de bedijking der Zuiderzee, 1848 (Dutch) Jakob Kloppenburg and Pieter Faddegon
- Extermination of the American Bison William T. Hornaday
- Field Mice as Farm and Orchard Pests David E. Lantz
- Fight for Conservation Gifford Pinchot
- Fishing Grounds of the Gulf of Maine Walter H. Rich
- Fishing Industry William E. Gibbs
- flore utile du bassin de la Gambie (French) A. Rançon
- Flytraps and Their Operation [1921] F. C. Bishopp
- Friends and Helpers