Nature

Go Green Or Go Home

The Life of the Grasshopper

The Geologic Story of Palo Duro Canyon

The Life of the Caterpillar

The Common Rocks and Minerals of Missouri

Field Book of Common Rocks and Minerals

The Postnatal Development of Two Broods of Great Horned Owls (Bubo virginianus)

Poems of Nature

The Book of Camp-Lore and Woodcraft

Guide to Life and Literature of the Southwest, with a Few Observations

The Complete Angler 1653

The Naturalist on the River Amazons

Geology: The Science of the Earth's Crust

The Story of My Heart: An Autobiography

How to Tell the Birds from the Flowers: A Manual of Flornithology for Beginners

The Home of the Blizzard

Jock of the Bushveld

Woodcraft

The Sea (La Mer)

On the Origin and Metamorphoses of Insects