Ecology

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

The Young Collector's Handbook of Ants, Bees, Dragon-flies, Earwigs, Crickets, and Flies

Afloat in the Forest; Or, A Voyage among the Tree-Tops

Carlsbad Caverns National Park, New Mexico

Speciation of the Wandering Shrew