Julius E. Olson
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A Discovery of the New World
Julius E. Olson
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The Great North American Explorers
Julius E. Olson
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The Northmen, Columbus and Cabot, 985-1503
Julius E. Olson
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Story of Our Nation: Defining Moments In American History
Julius E. Olson
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History of the United States: A 30-Volume Anthology
Julius E. Olson
