Malaria: A Neglected Factor in the History of Greece and Rome By: William Henry Samuel Jones

Man and Nature on the Broads By: Arthur Henry Patterson

Man of Genius By: Cesare Lombroso

Manners and Rules of Good Society; Or, Solecisms to be Avoided by a Member of the Aristocracy By: Anonymous

Marion Harland's Complete Etiquette By: Marion Harland

Mars and Its Canals By: Percival Lowell

Martyrs of Science, or, the Lives of Galileo, Tycho Brahe, and Kepler By: David Brewster

Marvels of Scientific Invention By: Thomas W. Corbin

Mason-Bees By: Jean-Henri Fabre

Measurement of Intelligence By: Lewis Terman

Medicine-Men Of The Apache By: John Gregory Bourke

Memoir and Correspondence of Caroline Herschel By: Margaret Herschel

Memory: How to Develop, Train and Use It By: William Walker Atkinson

Mental and Moral Heredity in Royalty. A Statistical Study in History and Psychology By: Frederick Adams Woods

Meteorology, On the Universe & On Breath By: Aristotle

Miscellanea Curiosa, Vol 1 By: Edmond Halley

Mob Violence and the American Negro: My Experience in the Sunny South By: Velley Lester

More Australian Legendary Tales By: K. Langloh Parker

Movement & Progression of Animals By: Aristotle

Mushrooms and Toadstools (Third Edition) By: Worthington George Smith

My Chinese Marriage By: Mae Franking

My Monks of Vagabondia By: Andress Small Floyd

National Geographic Magazine Vol. 01 No. 3 By: Various

National Geographic Magazine Vol. 01 No. 4 By: Various

Natural Science and Religion By: Asa Gray

Natural Theology By: William Paley

Naudsonce By: H. Beam Piper

Negro Laborer: A Word to Him By: William H. Councill

Neighbourhood – A Year’s Life in and About an English Village By: Tickner Edwardes

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

Nine Biological Lectures By: Various

No Animal Food and Nutrition and Diet with Vegetable Recipes By: Rupert H. Wheldon

North West Passage -The Gjöa Expedition 1903-1907 (Volume I) By: Roald Amundsen

North West Passage -The Gjöa Expedition 1903-1907 (Volume II) By: Roald Amundsen

Notes of An East Coast Naturalist By: Arthur Henry Patterson

Notes On Democracy By: H. L. Mencken

Null-ABC By: H. Beam Piper

Ocean of Air - Meteorology for Beginners By: Agnes Giberne

Ocean: A General Account Of The Science Of The Sea By: John Murray

On the Parts of Animals By: Aristotle

On the Various Forces of Nature By: Michael Faraday

On War By: Carl von Clausewitz

One Hundred Proofs That the Earth Is Not a Globe By: William Carpenter

Oracles of Nostradamus By: Charles A. Ward

Organic Evolution By: Richard Swann Lull

Our Atomic World: The Story of Atomic Energy By: C. Jackson Craven

Our Feathered Friends By: Elizabeth Grinnell

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

Passages from the Life of a Philosopher By: Charles Babbage

Philadelphia Negro: A Social Study By: W. E. B. Du Bois

Physics By: Aristotle

Pioneer Work in Opening the Medical Profession to Women By: Elizabeth Blackwell

Police Your Planet By: Lester del Rey

Popular Lectures on Scientific Subjects By: Hermann von Helmholtz

Popular Superstitions, and the Truths Contained Therein By: Herbert Mayo

Porto Rico: The Land of the Rich Port By: Joseph B. Seabury

Practical Talks by an Astronomer By: Harold Jacoby

Prehistoric Men By: Robert J. Braidwood

Prejudices, First Series By: H. L. Mencken

Preliminary Report on Neo-Fascist and Hate Groups By: House Un-American Activities Committee