Ecology

In Beaver World

Balanced Interactions

Back to Our Wild Root

Natures Partnership

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

Brazilian Environmental Policy – A Short Biography, 1934–2020

Woodcraft and Camping

The Spring of the Year

Adventures in Contentment

Wood Magic: A Fable

The Naturalist on the River Amazons

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

In Pursuit of Spring

Wood and Stone

Animal Life in Field and Garden

The Life of the Grasshopper

Submerged forests

The Wonders of the Jungle, Book One

Cornell Nature-Study Leaflets

Field, Forest and Farm