Nature

Five Years in the Alleghanies

Notes of a naturalist in South America

Forest Trees of Illinois: How to Know Them

Lightfoot the Deer

The Grizzly, Our Greatest Wild Animal

Trees: A Woodland Notebook

Love's Meinie: Three Lectures on Greek and English Birds

Ocean's Story; or, Triumphs of Thirty Centuries

True Tales of Mountain Adventures: For Non-Climbers Young and Old

Through Glacier Park: Seeing America First with Howard Eaton

The Structure and Habits of Spiders

More Hunting Wasps

Butterflies and Moths (British)

The Development of the Feeling for Nature in the Middle Ages and Modern Times

The Legend of Kupirri, or, The Red Kangaroo

Our National Forests

The Manual of the Botany of the Northern United States

Glacières; or, Freezing Caverns

My Year In A Log Cabin

Running Free