Nature

Western Bird Guide: Birds of the Rockies and West to the Pacific

Eye Spy: Afield with Nature Among Flowers and Animate Things

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

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

Young Folks' Nature Field Book

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

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

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

Woodmyth & Fable

The fauna of the deep sea

Language of Flowers

Little Wanderers

The Training of Wild Animals

Water and power for San Francisco from Hetch-Hetchy Valley in Yosemite National Park

Karaway the Cockatoo and Other Nature Stories

Rivers of Great Britain

The Tropical World