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1
George Washington, spymaster : how America outspied the British and won the Revolutionary War /
Published 2004“…National Geographic,…”
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2
Mr. Lincoln's high-tech war : how the North used the telegraph, railroads, surveillance balloons, ironclads, high-powered weapons, and more to win the Civil War /
Published 2008“…National Geographic,…”
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3
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4
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5
Remember Pearl Harbor : American and Japanese survivors tell their stories /
Published 2001“…National Geographic Society,…”
Book -
6
Harriet Tubman, secret agent : how daring slaves and free Blacks spied for the Union during the Civil War /
Published 2006“…National Geographic Society,…”
Book