Environmental Protection

Bluebirds And Their Survival

Riders on the Storm

The Naturewoman

Gray Lady and the Birds: Stories of the Bird Year for Home and School

Harvesting Ants and Trap-Door Spiders

Wild Kindred

Burton Island State Park: Guide to the Interpretive Nature Trail and Hiking Trail

Jack Miner and the Birds, and Some Things I Know about Nature

The Radio Boys with the Forest Rangers; Or, The great fire on Spruce Mountain

Forestry for Farmers

Dry-Farming : A System of Agriculture for Countries under a Low Rainfall

A Walk in the Park

Migration of Birds

CATASTROPHE ALERT! What Is To Be Done Against the Willful Destruction of the Unity of Humanity and Nature

The Amazing Story of a Small Blue Planet

A Scurry of Squirrels

Fur Farming

Heat-Its Role in Wildland Fire

Undermined in Coal Country

History of Botany (1530–1860)