Books in Browsing: Nature/Gardening/Animals (sorted alphabetically)
- Forest Life and Forest Trees: comprising winter camp-life among the loggers, and wild-wood adventure. John S. Springer
- Forest Neighbors: Life Stories of Wild Animals William Davenport Hulbert
- Forest Pictures in the Adirondacks Alfred Billings Street
- Forestry for Farmers B. E. Fernow
- Forests of Mount Rainier National Park G. F. Allen
- Forest Trees and Forest Scenery G. Frederick Schwarz
- Forest Trees of Illinois: How to Know Them George D. Fuller, E. E. Nuuttila, Wilbur R. Mattoon, and Robert B. Miller
- Forest Trees of Illinois (Third Edition) Robert H. Mohlenbrock
- Forest Trees of Texas: How to Know Them Wilbur R. Mattoon and C. B. Webster
- For the Birds U.S. Fish and Wildlife Service
- Fossil Ice Crystals: An Instance of the Practical Value of "Pure Science" Johan August Udden
- Four New Pocket Gophers of the Genus Cratogeomys from Jalisco, Mexico Robert J. Russell
- Foxhunting on the Lakeland Fells Richard Clapham
- Fox Trapping: A Book of Instruction Telling How to Trap, Snare, Poison and Shoot A. R. Harding
- Frank, the Young Naturalist Harry Castlemon
- Freak trees of the State of New York Gurth Adelbert Whipple
- Free from School Rahul Alvares
- Freiluftleben (German) Fridtjof Nansen
- Fresh Fields John Burroughs
- Freshwater Sponges, Hydroids & Polyzoa Nelson Annandale
- Friends and Helpers
- Friends in Feathers and Fur, and Other Neighbors: For Young Folks James Johonnot
- From an Easy Chair Sir E. Ray Lankester
- From North Pole to Equator: Studies of Wild Life and Scenes in Many Lands Alfred Edmund Brehm
- Frozen North Richard Mayde