Animals

The Ornithosauria

Natural History: Fishes

A Short History of the Academy of Natural Sciences of Philadelphia

Natural History: Mollusca

From North Pole to Equator: Studies of Wild Life and Scenes in Many Lands

Birds of Song and Story

Two Ways of Becoming a Hunter

Four-Footed Americans and Their Kin

The Structure and Habits of Spiders

The Clammer and the Submarine

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

Book about Animals

Sharp Eyes, the Silver Fox: His Many Adventures

Jane Goodall: 50 Years at Gombe

Thornton Burgess: Collected Works

Morag the Seal

The Amateur Poacher

Panda

The Periodical Cicada, “the 17-year Locust”

Fylling's Illustrated Guide to Nature in Your Neighborhood