Nurse and spy in the Union army : comprising the adventures and experiences of a woman in hospitals, camps, and battle-fields / by S. Emma E. Edmonds.

The boy spy : a substantially true record of events during the war of the rebellion : the only practical history of war telegraphers in the field ... thrilling scenes of battles, captures and escapes
by: Kerbey, J. O. (Joseph Orton), -1913
Published: (1889)

History of the United States Secret Service
by: Baker, La Fayette C. (La Fayette Curry), 1826-1868
Published: (1867)

The scout and ranger : being the personal adventures of Corporal Pike, of the Fourth Ohio cavalry; as a Texan ranger, in the Indian wars, delineating western adventure; afterward a scout and spy, in Tennessee, Alabama, Georgia and the Carolinas, under Generals Mitchell, Rosecrans, Stanley, Sheridan, Lytle, Thomas, Crook, and Sherman.
by: Pike, James, 1834-1867
Published: (1865)

Four years a scout and spy : "General Bunker", one of Lieut. General Grant's most daring and successful scouts, being a narrative of the thrilling adventures, narrow escapes, noble daring, and amusing incidents in the experience of Corporal Ruggles during four years' service as a scout and spy for the federal army
by: Downs, E. C. (Edward C.)
Published: (1866)