William T. Hornaday

Popular official guide to the New York Zoological Park, as far as completed

Popular official guide to the New York Zoological Park

Two years in the jungle

American Earth

Camp-fires in the Canadian Rockies

Official guide book to the New York Zoological Park

Camp-fires on desert & lava

Popular official guide to the New York Zoological Park

Save the sage grouse from extinction

A wild-animal round-up

Popular official guide to the New York zoological park

The minds and manners of wild animals

The steam roller of the feather importers in the United States Senate

A "democracy" of crocodiles

Old-fashioned verses

The extermination of the American bison

Wild life conservation in theory and practice

A new white bear, from British Columbia

Hornaday's American natural history

Tales from nature's wonderlands