Ecology

In Beaver World

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

Brazilian Environmental Policy – A Short Biography, 1934–2020

Little Mitchell

Cornell Nature-Study Leaflets

The Stories Mother Nature Told Her Children

Winter

The Great Adventure Of Typhoon The Elephant

Mary's Meadow, and Other Tales of Fields and Flowers

Nature's Teachings: Human Invention Anticipated by Nature

Bee Hunting: A Book of Valuable Information for Bee Hunters

A Trip to Pilawin, the Deer-park of Count Joseph Potocki in Volhynia, Russia

Tree Magic

The Amphibians and Reptiles of Michoacán, México

The Whelps of the Wolf

The Andes of Southern Peru

Insect Stories

From Chart House to Bush Hut

The Story of a Piece of Coal: What It Is, Whence It Comes, and Whither It Goes

The Open Air