Animals

Rift Valley Fever

Flash

Loons of New Hampshire

The zoological gardens of Europe, their history and chief features

New York's Greatest Thoroughbreds

Trapping wild animals in Malay jungles

The alligator and its allies

The little book of British quadrupeds

Type specimens of amphibians and reptiles in the Museum of Natural History, the University of Kansas

On the phenomena of variation and geographical distribution

Horses

Tracks in the snow

River Habitats for Coarse Fish

The Conduct of Life

A History of Benezette

The butterfly guide

Suffolk Downs

A Last Wild Place

Northern Virginia's Equestrian Heritage

Shark Attacks of New York