The spy of the rebellion [electronic resource] : being a true history of the spy system of the United States Army during the late rebellion : revealing many secrets of the war hitherto not made public ; compiled from official reports prepared for President Lincoln, General McClellan and the provost-marshal-general / by Allan Pinkerton .... ; with numerous illustrations
Electronic reproduction. Philadelphia, Pa.: NewsBank, inc., 2014. Available via the World Wide Web. Access restricted to Readex Afro-Americana Imprints, 1535-1922: From the Library Company of Philadelphia subscribers.