The education of a Darwinian naturalist
Animal rights and evolution
Of science, fish, and Robert B. Roosevelt
Harvard and the north woods of Maine
Midwest tramping and the conquering of the Matterhorn
Chasing buffalo in the Badlands and grizzlies in the Bighorns
Cradle of conservation: the Elkhorn Ranch of North Dakota
Wildlife protection business: Boone and Crockett Club meets the U.S. Biological Survey
Laying the groundwork with John Burroughs and Benjamin Harrison
The wilderness hunter in the electric age
The Bronx Zoo founder
The rough rider
Higher political perches
The advocate of the strenuous life
The conservationist president and the bully pulpit for forestry
The great Mississippi bear hunt and saving the Puerto Rican parrot
Crater Lake and Wind Cave National Parks
Paul Kroegel and the Feather Wars of Florida
Passports to the parks: Yellowstone, The Grand Canyon, and Yosemite
Beauty unmarred: winning the White House in 1904
The Oklahoma Hills (or, where the buffalo president roams)
The national monuments of 1906
The prehistoric sites of 1907
Mighty birds: federal reservations of 1907-1908
The preservationist revolution of 1908
Dangerous antagonist: the last bold steps of 1909.