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Geological Observations on South America Geological Observations on South America by Charles Darwin Download Read more
A Manual of Elementary Geology A Manual of Elementary Geology by Sir Lyell Charles Download Read more
Kinematics of Mechanisms from the Time of Watt Kinematics of Mechanisms from the Time of Watt by Eugene S. Ferguson Download Read more
Cessions of Land by Indian Tribes to the United States… Cessions of Land by Indian Tribes to the United States… by Charles C. Royce Download Read more
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The Glow-Worm and Other Beetles The Glow-Worm and Other Beetles by Jean-Henri Fabre Download Read more
A Critique of the Theory of Evolution A Critique of the Theory of Evolution by Thomas Hunt Morgan Download Read more