Handbook of Nature-Study, Part 1 By: Anna Botsford Comstock

History of Animals By: Aristotle

House, Garden and Field: A Collection of Short Nature Studies By: Louis Compton Miall

How to Grow the Peanut: and 105 Ways of Preparing It for Human Consumption By: George Washington Carver

How To Have Bird Neighbors By: S. Louise Patteson

Hunting Dogs By: Oliver Hartley

Hurricane Hunters By: Ivan Ray Tannehill

Idylls Of The Sea And Other Marine Sketches By: Frank Thomas Bullen

Isles of Eden By: Laura Lee Davidson

John Stuart Mill; His Life and Works By: Various

Journal of a Disappointed Man By: W. N. P. Barbellion

KEA: a New Zealand problem By: George Reginald Marriner

Letters from a Prairie Garden By: Edna W. Underwood

Letters to a Friend, Written to Mrs. Ezra S. Carr, 1866-1879 By: John Muir

Life Among the Butterflies By: Vance Randolph

Life of Henry David Thoreau By: Henry Salt

Little Tales of the Desert By: Ethel Twycross Foster

Living Animals of the World, Volume 1: Mammals By: Various

Living Animals of the World, Volume 2 By: Various

Lore of the Honey-Bee By: Tickner Edwardes

Man and Nature on the Broads By: Arthur Henry Patterson

Mighty Animals By: Jennie Irene Mix

Minstrel Weather By: Marian Storm

Mountaineering in the Sierra Nevada By: Clarence King

Music in Medicine By: Sidney Licht

My Thirty Years In Baseball By: John McGraw

Mystery of Pain By: James Hinton

Natural History Volume 3 By: Pliny the Elder

Natural History Volume 5 By: Pliny the Elder

Natural History Volume 6 By: Pliny the Elder

Natural History Volume 7 By: Pliny the Elder

Natural Theology By: William Paley

Nature and Art, Vol. VIII, No 1, June 1900 By: Various

Night The Mountain Fell; The Story Of The Montana-Yellowstone Earthquake By: Edmund Christopherson

Notes of An East Coast Naturalist By: Arthur Henry Patterson

On The Trail: An Outdoor Book for Girls By: Adelia B. Beard

One Hundred Years In Yosemite: The Story Of A Great Park And Its Friends By: Carl Parcher Russell

Ottawa Folk Festival Robert Service Collection By: Robert W. Service

Our National Parks By: John Muir

Our Search for a Wilderness, An Account of Two Ornithological Expeditions to Venezuela and British Guiana By: William Beebe

Our Western Birds By: Elizabeth Grinnell

Outline of Science, Vol 4 By: J. Arthur Thomson

Passenger Pigeon By: William B. Mershon

Pearls By: William John Dakin

Physics By: Aristotle

Pleasure Cycling By: Henry Clyde

Policeman Bluejay By: L. Frank Baum

Privilege of Pain By: Caroline Kane Mills Everett

Reminiscences Of A Workhouse Medical Officer By: Joseph Rogers

Romance of Plant Life By: George Francis Scott-Elliot

Roughing It in the Bush By: Susanna Moodie

Ruined Reversolet By: C. J. Dennis

Science - History of the Universe Vol. 6: Zoology & Botany By: Francis Rolt-Wheeler

Scientific and Practical Treatise on American Football for Schools and Colleges By: Amos Alonzo Stagg

Secrets of the Friendly Woods By: Rex Brasher

Secrets of the Woods By: William Joseph Long

Short Discourse Concerning Pestilential Contagion, and the Methods to Be Used to Prevent It By: Richard Mead

Sidelights on Relativity By: Albert Einstein

Song of the Cardinal By: Gene Stratton-Porter

Spices, their histories By: Robert O. Fielding

Spiders By: Cecil Warburton

Story Book of Science By: Jean-Henri Fabre

Strength and How to Obtain It By: Eugen Sandow

Studies About Trees By: Jacob Joshua Levison

Talks About Flowers By: Mary Decker Wellcome

Ten Common Trees By: Susan Stokes

The Black Fawn By: Jim Kjelgaard

The Brethren By: H. Rider Haggard

The Owl Critic By: James T. Fields

The River Duddon: A Series of Sonnets By: William Wordsworth

The World's Lumber Room By: Selina Gaye

Through Broadland in a Breydon Punt By: Arthur Henry Patterson

Through Glacier Park By: Mary Roberts Rinehart

Titan Of Chasms: The Grand Canyon Of Arizona By: Charles A. Higgins

Travels in New Zealand with contributions to the geography, geology, botany, and natural history of that country, Vol. I By: Ernst Dieffenbach

Treatise of Modern Falconry By: James Campbell

Treatise on Light By: Christiaan Huygens

Trees Every Child Should Know By: Julia Ellen Rogers

Understanding Climatic Change By: US Comm. for the Global Atmospheric Research Program

Use Of The Dead To The Living By: Thomas Southwood Smith

Walking (Version 2) By: Henry David Thoreau

Wild Life on a Norfolk Estuary By: Arthur Henry Patterson

Wild Pastures By: Winthrop Packard

With Swag and Billy: A Guide to Walking Trips in Tourist Districts of New South Wales By: Henry J. Tompkins

Wood and Garden By: Gertrude Jekyll

Woodcraft By: Nessmuk

Work Of The Sisters During The Epidemic Of Influenza October, 1918 By: Francis Edward Tourscher

Year with the Birds By: W. Warde Fowler