Ecology

The Insect Folk

Among the Meadow People

The Wonders of the Jungle, Book Two

The Face of the Earth as Seen from the Air

The Wonders of the Jungle, Book One

Margaret Mahaney Talks About Turkeys

Flowers of Mountain and Plain

Young Folks' Nature Field Book

Essays of a Biologist

The Bee-Master of Warrilow

Proceedings of the fourth National Conservation Congress at Indianapolis, October 1–4, 1912

Canoe and camera: a two hundred mile tour through the Maine forests

Karaway the Cockatoo and Other Nature Stories

A Book of Dartmoor

The Tropical World

Pere Marquette State Park

What the Blackbird said

Street Trees

The Andes and the Amazon; Or, Across the Continent of South America

The Twelve Months of the Year, with a Picture for each Month