Ralph Waldo Emerson
Nature
Thornton W. Burgess
The Adventures of Paddy Beaver
Thornton W. Burgess
Mother West Wind's Children
Robert Michael Ballantyne
Fast in the Ice
Gene Stratton-Porter
The Harvester
Unknown
Byways Around San Francisco Bay
Isabella L. Bird
A Lady's Life in the Rocky Mountains
Henry David Thoreau
Walking
Thomas Henry Huxley
Has a Frog a Soul?
Alfred North Whitehead
The Concept of Nature
John Ruskin
Lectures on Landscape
Gene Stratton-Porter
Freckles
John Muir
My First Summer in the Sierra
Frederick Boyle
About Orchids, a Chat
Florence A. Merriam
A-Birding on a Bronco
Edwin E. Slosson
Easy Lessons in Einstein
Thomas Gilbert Pearson
The Bird Study Book
Titus Lucretius Carus
On the Nature of Things
John Burroughs
Squirrels and other Fur-Bearers
Theodore Roosevelt
Through the Brazilian Wilderness
Jane Andrews
The Stories Mother Nature Told Her Children
Arabella B. Buckley
Birds of the Air
P. R. Kincaid
The Arabian Art of Taming and Training Wild and Vicious Horses
William H. Hudson
Far Away and Long Ago
