Environmental Protection

Secrets of the Woods

Poachers and Poaching

Man and Nature; Or, Physical Geography as Modified by Human Action

Walden, Civil Disobedience & Walking (3 Classics in One Volume)

Modern Whaling & Bear-Hunting

The Wonders of the Jungle, Book One

Cornell Nature-Study Leaflets

The Wanderings of an Elephant Hunter

Views of Nature – Contemplations on the Sublime Phenomena of Creation with Scientific Illustrations

The Yellowstone National Park: Historical and Descriptive

Children of the Wild

Pastoral Days; or, Memories of a New England Year

Wanderings in South America

Rodent Control Aided by Emergency Conservation Work

The Book of the National Parks

The Land's End: A Naturalist's Impressions In West Cornwall, Illustrated

Farthest North (Vol. 1&2)

Birds from Coahuila, Mexico

Sequoia [California] National Park

Shelters, Shacks and Shanties