Trees

Floral Illustrations of the Seasons

Forestry for Farmers

Trees of Indiana First Revised Edition (Publication No. 13, Department of Conservation, State of Indiana)

The Story of a Thousand-Year Pine

Origin of Cultivated Plants

Street Trees

History of Botany (1530–1860)

Fossil Forests of the Yellowstone National Park

The Botanical Lore of the California Indians with Side Lights on Historical Incidents in California

Trees of the Forest: Their Beauty and Use

The Man Who Climbs Trees