Theodore Roosevelt, naturalist in the arena /
Arthur Carhart : wilderness prophet /
The man who built the Sierra Club : a life of David Brower /
A passion for nature : the life of John Muir /
Norman Carr : pioneer of community-based wildlife conservation /
Boots, bikes, and bombers : adventures of Alaska conservationist Ginny Hill Wood /
David Brower : the making of the environmental movement /
With distance in his eyes : the environmental life and legacy of Stewart Udall /
Mice in the freezer, owls on the porch : the lives of naturalists Frederick & Frances Hamerstrom /
Extraordinary Adirondack Journey of Clarence Petty.
A wilderness within : the life of Sigurd F. Olson /
Green republican : John Saylor and the preservation of America's wilderness /
Northern Exposures An Adventuring Career in Stories and Images.
The power of scenery Frederick Law Olmsted and the origin of national parks /
Wilderness forever : Howard Zahniser and the path to the Wilderness Act /
The making of an ecologist : my career in Alaska wildlife management and conservation /
Camera hunter : George Shiras III and the birth of wildlife photography /
The man from Clear Lake : Earth Day founder Senator Gaylord Nelson /
Called by the wild : the autobiography of a conservationist /
The wilderness writings of Howard Zahniser /
Our perfect wild : Ray and Barbara Bane's journeys and the fate of the Far North /
Driven wild : how the fight against automobiles launched the modern wilderness movement /
Coastal sage : Peter Douglas and the fight to save California's shore /
George Perkins Marsh : prophet of conservation /