Environmental Protection

Gray Lady and the Birds: Stories of the Bird Year for Home and School

Carlsbad Caverns National Park, New Mexico

Homegrown & Handmade

Ecothrifty

On Cambrian and Cumbrian Hills: Pilgrimages to Snowdon and Scafell

The Wild Elephant and the Method of Capturing and Taming it in Ceylon

Description of a New Softshell Turtle from the Southeastern United States

Future Wild

Craters of the Moon

Craters of the Moon

Rambles with John Burroughs

Science of Trapping

Notes on Collecting and Preserving Natural-History Objects

Forestry for Farmers

Ways of Wood Folk

Riverby

Glacier National Park

The Book of Nature

Everglades Wildguide

Nestlings