Environmental Protection

The Child's Book of Nature

Summer

The Fall of the Year

Grand Teton [Wyoming] National Park

Birds from Coahuila, Mexico

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

The Wilderness Castaways

Secrets of the Woods

Poachers and Poaching

Rodent Control Aided by Emergency Conservation Work

Pastoral Days; or, Memories of a New England Year

The Book of the National Parks

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

The Cutting of the Forest

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