John Bakeless. Spies of the Confederacy, 1970.
Ann Blackman. Wild Rose: the true story of a Civil War spy. Random House, 2005.
Thomas A. Bogar, Backstage at the Lincoln Assassination : the untold story of the actors and stagehands at Ford’s Theatre. Regency History, 2013.
Willard J. Brown. The Signal Corps, U.S.A. in the War of the Rebellion. 1896.
Nash K. Burger, Confederate Spy: Rose O’Neale Greenhow. New York, 1967.
Catherine Clinton, Harriet Tubman. Boston: Little, Brown, 2004.
Virginius Dabney, Richmond: The Story of a City. Garden City, N.Y.: Doubleday, 1976.
Curtis Carroll Davis, ed. Belle Boyd in Camp and Prison, Written by Herself. 1968.
Henry Kyd Douglas. I Rode with Stonewall.
Charles M. Evans. “Air War Over Virginia,” Civil War Times, 1996.
William B. Feis, Grant’s Secret Service. Lincoln, Neb.: University of Nebraska Press, 2002.
Edwin C. Fishel, The Secret War for the Union. Boston: Houghton Mifflin, 1996.
Philip S. Foner, History of Black Americans from the Compromise of 1850 to the End of the Civil War. Westport, Conn.: Greenwood Press, 1983.
John W. Headley, Confederate Operations in Canada and New York. Time-Life Books (reprint), 1984. Originally published in 1906.
Ervin L. Jordan, Jr., Black Confederates and Afro-Yankees in Civil War Virginia. Charlottesville: University Press of Virginia, 1995.
Elizabeth D. Leonard. All the Daring of the Solider: Women of the Civil War Armies. 1999.
Michael W. Kauffman, In the Footsteps of an Assassin : An Illustrated history and guided tour of the Lincoln Assassination and escape route of John Wilkes Booth. Travel Brains, 2012.
Frank L. Klement. Dark Lanterns: Secret Political Societies, Conspiracies and Treason Trials in the Civil War. 1984.
T.S.C. Lowe. “The Ballons with the Army of the Potomac.” In The Photographic History of the Civil War, vol 4. 1987.
T.S.C. Lowe. “Report of Operations.” Official Records, Series III, vol. 1.
Jay Luvaas, “The Role of Intelligence in the Chancellorsville Campaign, April-May, 1863,” Intelligence and National Security, Vol. 5, No. 2, April 1990.
Donald E. Markle, Spies and Spymasters of the Civil War. (New York: Hippocrene Books, 1994).
Peter Maslowski, “Military Intelligence Sources During the American Civil War: A Case Study,” “The Intelligence Revolution: A Historical Perspective,” Proceedings of the Thirteenth Military History Symposium, U.S. Air Force Academy, Colorado Springs, Colorado, October 12-14, 1988., edited by Lt. Col. Walter T. Hitchcock, USAF., Washington, D.C.: Office of Air Force History, United States Air Force.
James McPherson, Battle Cry of Freedom. New York: Oxford University Press, 1988.
David Hepburn Milton, Lincoln’s Spymaster. Mechanicsville, Pa.: Stackpole Books, 2003.
Jacob Mogelever. Death to Traitors: the Story of General Lafayette C. Baker, Lincoln’s Forgotten Secret Service Chief. 1960.
Frank Morn, The Eye That Never Sleeps: A History of the Pinkerton National Detective Agency. Bloomington, Ind.: Indiana University Press, 1982.
Arthur Orrmont. Mr. Lincoln’s Master Spy: Lafayette Baker. New York, 1966.
G. J. A. O’Toole, Honorable Treachery: A History of U.S. Intelligence, Espionage, and Covert Action. New York: Atlantic Monthly Press, 1991.
G.J.A. O’Toole, The Encyclopedia of American Intelligence and Espionage: From the Revolutionary War to the Present. New York: Facts on File, 1988.
Rebecca Robins Raines. Getting the Message Through, A Branch History of the U.S. Army Signal Corps. 1996.
Ishbel Ross. Rebel Rose: Life of Rose O’Neal Greenhow, Confederate Spy. New York: Harper & Brothers, 1954.
Ruth Scarborough. Belle Boyd: Siren of the South. 1983.
Louis Sigaud. Belle Boyd: Confederate Spy. 1944.
Meriwether Stuart, “Operation Sanders,” The Virginia Magazine of History and Biography, April 1973, Vol. 81, No. 2, pp. 157-158.
William A. Tidwell, April ’65: Confederate Covert Action in the American Civil War. Kent State Univ Press, 1995.
William A. Tidwell with James O. Hall and David Winfred Gaddy, Come Retribution. Jackson: University Press of Mississippi, 2000.
Elizabeth R. Varon, Southern Lady, Yankee Spy. New York: Oxford University Press, 2003.
NOTE: A Manual of Signals: For The Use Of Signal Officers In The Field, written by Albert Myer in 1864, can be seen on the Signal Corps Association Reenactors’ Division website http://22.214.171.124/SCARD/signalmanual/
David S. and Jeanne T. Heidler. Encyclopedia of the American Civil War : A Political, Social, and Military History. (One volume) Norton, 2000.
Baker, La Fayette Curry. David S., and Jeanne T. Heidler.
Balloons. Bill Cameron.
Benjamin, Judah P.
Booth, John Wilkes
Boyd, Maria Isabella “Belle.” Elizabeth D. Leonard.
Bulloch, James D.
Clay, Clement C.
Covert Action, Confederate. William A. Tidwell.
Covert Operations, U.S.A. David S., and Jeanne T. Heidler.
Espionage. Matthew Pacer.
Greenhow, Rose O’Neal
Hines, Thomas H.
Lowe, Thaddeus Sobieski Constantine. Chief of Army Aeronautics. Bill Cameron.
Secret Service, C.SA. William A. Tidwell.
Secret Service, U.S.A. William B. Feis.
St. Albans Raid, Vermont.