Environmental Protection

Bold Urban Flora

Island Expeditions

Guide to Yosemite

Some Common Birds Useful to the Farmer

El Morro Trails: El Morro National Monument, New Mexico

Rewilding Your Life

The Lobster Fishery of Maine

Green Living Gratitude

Little Frog Wonders

A Guide to Natural Bridges National Monument, Utah

Big Bend National Park, Texas

The Face of the Earth as Seen from the Air

Conservation of marine birds of northern North America: papers from the international symposium held at the Seattle Hyatt House

The Story of a Red Deer

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

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

Woodmyth & Fable

Scott Burton in the Blue Ridge