Nature

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

The fauna of the deep sea

Language of Flowers

The Starlight Wonder Book

Scott Burton in the Blue Ridge

Shasta of the Wolves

Little Wanderers

The Training of Wild Animals

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

The Geology of Mt. Mansfield State Forest