Animals

Birds and their nests

The Migration of North American Birds

The Lone Swallows

Krag and Johnny Bear

The prey of the strongest

The Book of the Ocean

Life Among the Butterflies

Friends and Foes in the Australian Bush

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