In difesa della natura selvaggia Marco Sioli
Aldo Leopold
- The White Mountains of Apache County Catherine H. Ellis, D.L. Turner
- Wildfire: A Reader Alianor True
- A Fierce Green Fire: The American Environmental Movement Philip Shabecoff
- Correction Lines: Essays on Land, Leopold, and Conservation Curt Meine
- Thinking Like a Mountain: An Ecological Perspective on Earth R. Edward Grumbine
- A Natural History of Nature Writing Frank Stewart
- From The Land: Articles Compiled From The Land 1941-1954
- Nature's Allies: Eight Conservationists Who Changed Our World Larry Nielsen
- Against the Machine: The Hidden Luddite Tradition in Literature, Art, and Individual Lives Nicols Fox
- Rewilding North America: A Vision For Conservation In The 21St Century Dave Foreman
- Reconstructing Conservation: Finding Common Ground
- Aldo Leopold's Odyssey, Tenth Anniversary Edition: Rediscovering the Author of A Sand County Almanac Julianne Lutz Warren
- Ecological Explosions: The History of Biological Invasions and Invasion Science Daniel Simberloff
- The Land Is Our Community: Aldo Leopold's Environmental Ethic for the New Millennium Roberta L. Millstein
- American Wildflowers Susan Barba
- Earth Almanac: A Year of Witnessing the Wild, from the Call of the Loon to the Journey of the Gray Whale Ted Williams
