Conserving words: how American nature writers shaped the environmental movement

The Ecology of Influence

Preserving the Pieces: Progressive Conservation

The Closing of the Frontier: Theodore Roosevelt and the Boone and Crockett Club

The Garden, You, and I: Mabel Osgood Wright and the National Audubon Society

Our National Parks: John Muir and the Sierra Club

Protecting the Planet: Modern Environmentalism

The Call of the Wild: Aldo Leopold and the Wilderness Society

Toward Ecotopia: Edward Abbey and Earth First!

The Island as Metaphor.