2015

Behind enemy lines : Civil War spies, raiders, and guerrillas

Jones, Wilmer L., 1931- author.

Lanham, MD : Taylor Trade Publishing, [2015]

 

2002

Grant's secret service : the intelligence war from Belmont to Appomattox

Feis, William B., 1963-



 

1867

History of the United States Secret Service

Baker, La Fayette C. (La Fayette Curry), 1826-1868, author

Philadelphia : L. C. Baker, 1867

 

1867

History of the United States Secret Service

Baker, La Fayette C. (La Fayette Curry), 1826-1868, author

Philadelphia : L.C. Baker, 1867

 

2010

Intelligence in the American Civil War

Allen, Thomas, 1964-



 

2019

Lincoln's informer : Charles A. Dana and the inside story of the Union war

Guarneri, Carl, 1950- author.

Lawrence, Kansas : University Press of Kansas, [2019]

 

2015

Lincoln's secret spy : the Civil War case that changed the future of espionage

Singer, Jane Sherrod, author

Guilford, Connecticut : Lyons Press, [2015]

 

1996

The secret war : Civil War spies

 

2003

Southern lady, Yankee spy : the true story of Elizabeth Van Lew, a Union agent in the heart of the Confederacy

Varon, Elizabeth R., 1963-



 

2015

Spies, scouts, and secrets in the Gettysburg campaign : how the critical role of intelligence impacted the outcome of Lee's invasion of the north, June-July, 1863

Ryan, Thomas J., 1934- author.
First edition
El Dorado Hills, CA : Savas Beatie, 2015

 

2012

Spying in America : espionage from the Revolutionary War to the dawn of the Cold War

Sulick, Michael J., author.