Mammals

Beyond Rope and Fence

Down from the Mountain

Wild Animals of North America

Milch Cows and Dairy Farming

Pleistocene Bats from San Josecito Cave, Nuevo Leon, Mexico

The Arctic Prairies : a Canoe-Journey of 2,000 Miles in Search of the Caribou

A Thousand-Mile Walk to the Gulf (With Original Drawings & Photographs)

The Baculum in the Chipmunks of Western North America

The Amazing Armadillo

Wildlife Wars

The Confessions of a Beachcomber

Everything you Wanted to Know about the Countryside

Africa's Wild Dogs

Fur Farming for Profit, with Especial Reference to Skunk Raising

In Africa: Hunting Adventures in the Big Game Country

Orangutan Rescue

Wild Animals I Have Known

The Grizzly, Our Greatest Wild Animal

Extinct Madagascar

The Hidden Life of Deer