The Spring of the Year
Dallas Lore Sharp
The Yellowstone National Park: Historical and Descriptive
Hiram Martin Chittenden
On Cambrian and Cumbrian Hills: Pilgrimages to Snowdon and Scafell
Henry S. Salt
Travels on the Amazon
Alfred Russel Wallace
A Voyage of Discovery and Research in the Southern and Antarctic Regions
James Clark Ross
Fifty Years a Hunter and Trapper - Autobiography experiences and observations of Eldred Nathaniel Woodcock during his fifty years of hunting and trapping
E. N. Woodcock
The Home of the Blizzard - Being the Story of the Australasian Antarctic Expedition 1911-1914
Douglas Mawson
In the Catskills: Selections from the Writings of John Burroughs
John Burroughs
Adventures in Contentment
David Grayson
Wilderness A Journal of Quiet Adventure in Alaska
Rockwell Kent
The Fall of the Year
Dallas Lore Sharp
Himalayan Journals — Complete - Or Notes of a Naturalist in Bengal the Sikkim and Nepal Himalayas the Khasia Mountains etc
Joseph Dalton Hooker
Forest Trees of Illinois
Robert H. Mohlenbrock
The Young Woodsman; Or Life in the Forests of Canada
J. Macdonald Oxley
Shoshone National Forest Wyoming
Service United States. Forest
Ferns of Hawaii National Park
Douglass H. Hubbard
Cactus Forest Drive Saguaro National Monument
Anonymous
Hiking Westward - Being the Story of Two Boys Whose Ambition Led Them to Face Privations and Hardships
Roger William Conant
Prairie Peak and Plateau: A Guide to the Geology of Colorado
Halka Chronic, John Chronic
Report on the Migration of Birds in the Autumn of 1879
J. A. Harvie-Brown, John Cordeaux
Grand Teton: A Guide to Grand Teton National Park Wyoming
Service United States. National Park
Wild Flowers of Zion and Bryce Canyon National Parks and Cedar Breaks National Monument
Leland F. Allen, Carl E. Jepson
Report on the Dominion Government Expedition to Hudson Bay and the Arctic Islands - On board the DGS Neptune 1903-190
A. P. Low
Lassen Trails: A Brief Guide to the Trails of Lassen Volcanic National Park
Stephen Halsey Matteson
The Boy Scouts of Woodcraft Camp
Thornton W. Burgess
Everglades Wildguide
Jean Craighead George
Road Guide to Lassen Volcanic National Park
Paul E. Schulz
