Nature

Eye Spy: Afield with Nature Among Flowers and Animate Things

The Moths of the British Isles, Second Series Comprising the Families Noctuidæ to Hepialidæ

A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America)

The Lake of the Sky

Grit A-Plenty: A Tale of the Labrador Wild

Then and Now or, Thirty-Six Years in the Rockies

Ancient Landscapes of the Grand Canyon Region

Life at the Zoo: Notes and Traditions of the Regent's Park Gardens

Young Folks' Nature Field Book

Texas Gemstones

The Book of the Pearl

Boys of the Old Sea Bed: Tales of Nature and Adventure

The Rambler club in the mountains

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

The Bee-Master of Warrilow

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

Check-list of the Birds of Kansas

Tales About Birds, Illustrative of Their Nature, Habits, and Instincts

Woodmyth & Fable

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