Els aucells més útils a la agricultura de Catalunya

A Bird-Lover in the West

A Rambler's lease

A Year with the Birds Third Edition, Enlarged

A-Birding on a Bronco

Bird Neighbors An Introductory Acquaintance with One Hundred and Fifty Birds Commonly Found in the Gardens, Meadows, and Woods About Our Homes

Bird Neighbors An Introductory Acquaintance with One Hundred and Fifty Birds Commonly Found in the Gardens, Meadows, and Woods About Our Homes

Bird Portraits

Bird Stories from Burroughs Sketches of Bird Life Taken from the Works of John Burroughs

Bird Watching

Birds Every Child Should Know

Birds and Bees, Sharp Eyes, and Other Papers