Newton's Principia : the mathematical principles of natural philosophy

Philosophiae Naturalis Principia Mathematica (Latin Version)

Mutual Aid; a factor of evolution

The Altar of the Dead

The Henri Bergson Megapack

Napoleon Bonaparte

Tales from the Lands of Nuts and Grapes / Spanish and Portuguese Folklore

Tent Life in Siberia / A New Account of an Old Undertaking; Adventures among the Koraks and Other Tribes In Kamchatka and Northern Asia