Union spies...........that for one thing should tell you something.........

References[edit]

1. Jump up^ Fishel (1996). The Secret War for The Union.
2. Jump up^ Harnett, Kane T. (1954). Spies for the Blue and the Gray. Hanover House. p. 27-29.
3. Jump up^ Markle, Donald E. (1994). Spies and Spymasters of the Civil War. Hippocrene Books. p. 2. ISBN 078180227X.
4. ^ Jump up to:^{a b c d e f} United States (2005) Intelligence in the Civil War.
5. Jump up^ Swanson, James L., Manhunt: The 12-Day Chase for Lincoln's Killer. New York, HarperCollins, 2006, p. 258.
6. Jump up^ Swanson, James L., Manhunt: The 12-Day Chase for Lincoln's Killer. New York, HarperCollins, 2006, pp.167, 256.
7. Jump up^ [1]
8. Jump up^ Swanson, James L., Manhunt: The 12-Day Chase for Lincoln's Killer. New York, HarperCollins, 2006, p. 258f.
9. Jump up^ Swanson, James L., Manhunt: The 12-Day Chase for Lincoln's Killer. New York, HarperCollins, 2006, p. 259.
10. Jump up^ Swanson, James L., Manhunt: The 12-Day Chase for Lincoln's Killer. New York, HarperCollins, 2006.
11. Jump up^ Quarles(1953). The Negro in the Civil War.
12. Jump up^ Rose (1999). Black Dispatches.

• Fishel, E. C., The Secret War for The Union: The Untold Story of Military Intelligence in the Civil War. Boston, Houghton Mifflin Co, 1996.
• Quarles, B., The African American in the Civil War. Boston, Little, Brown, 1953.
• Rose, P. K., Black Dispatches: Black American Contributions to Union Intelligence During the Civil War. Washington, D.C., Center for the Study of Intelligence, Central Intelligence Agency, 1999.
• United States Government, Intelligence in the Civil War. Washington, D.C., Central Intelligence Agency, 2005.
• Swanson, James L., M