Mammals

Cactus Forest Drive, Saguaro National Monument

Wild Animals of the Rockies. With a List of Mammals found in Rocky Mountain National Park

Mammals of Mount Rainier National Park

Fur Farming for Profit, with Especial Reference to Skunk Raising

The Pleistocene of North America and its vertebrated animals

Flowers of Mountain and Plain

Carlsbad Caverns National Park, New Mexico

Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado

Man's Place in the Universe A Study of the Results of Scientific Research in Relation to the Unity or Plurality of Worlds, 3rd Edition

The Kangaroo Hunters; Or, Adventures in the Bush

KAZAN (Including the Sequel – Baree, Son Of Kazan)

The Geographical Distribution of Animals

The Malay Archipelago (Vol. 1&2)

Lachesis Lapponica

Wild Animals I Have Known

The Mule: A Treatise on the Breeding, Training, and Uses to Which He May Be Put

Extinct Madagascar

The Hidden Life of Deer

Wolf and Coyote Trapping: An Up-to-Date Wolf Hunter's Guide

Plants Poisonous to Live Stock