Bibliografía (29 obras)
National Geographic Atlas of Wild America
2023
From These Beginnings, Volume II
2004
From These Beginnings, Volume I
Wilderness and the American Mind
2001
American environmentalism
1990
The nervous generation
The rights of nature
1989
The big drops
Perceptions of the landscape and its preservation
1984
Tourism, parks, and the wilderness idea in the history of Alaska
1981
From these beginnings ...
1978
Nature in world development
Wilderness management
From these beginnings
1973
From These Beginnings Volume 2 a Biographical Approach to American History
From These Beginnings, Volume One
Environment and Americans
1972
Nervous Generation (History of American Thought & Culture)
1971
The Nervous generation
1970
The nervous generation: American thought, 1917-1930
The Call of the Wild: 1900-1916.
The Nevous Generation
The call of the wild: 1900-1916
Grand Canyon of the living Colorado
The American environment
1968
Wilderness and the American mind
1967
From These Beginnings a Biographical App
