Environmental Protection

With the Harmony to Labrador

Last Leaves from Dunk Island

World's End

In Nesting Time

Wild Life at the Land's End

Practical Forestry in the Pacific Northwest

The Falls of Niagara and Other Famous Cataracts

The Web of Life

Beaver: An Alphabet of Typical Specimens

Herbs and Apples

The Handbook to the Rivers and Broads of Norfolk & Suffolk

Descriptions of New Hylid Frogs From Mexico and Central America

Earthworms and Their Allies

Stray Leaves from an Arctic Journal

The Water-Finders

Freckles from the Marvelous Forest

The Hurricane Guide

Wild Spain (España agreste)

Michigan Trees: A Handbook of the Native and Most Important Introduced Species

Birds of Britain