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Incoming Resources
- 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, by Thomas B. Allen and Roger MacBride Allen
- Tories, fighting for the king in America's first civil war, Thomas B. Allen
- Code-name downfall, the secret plan to invade Japan and why Truman dropped the bomb, Thomas B. Allen and Norman Polmar