Allan Pinkerton and His Detective Agency: We Never Sleep
Information for the biography of Allan Pinkerton and the Pinkerton Detective Agency has been derived from many excellent sources.
Axelrod, Alan The War Between the Spies NY: The Atlantic Monthly Press, 1992.
Boatner III, Mark M. Civil War Dictionary NY: Vintage Books/Random House, Inc., 1991.
Doran, James D. Desperate Men NY: Doubleday & Co., 1962.
Lavine , Sigmund A. Allan Pinkerton America's First Private Eye NY: Dodd, Mead & Co., 1963.
Macintyre, Ben The Napoleon of Crime NY: Delta Books, 1997.
Nash, Jay Robert Western Lawmen & Outlaws NY: Da Capo Press, 1994.
Time-Life Books, editors of The Wild West Alexandria, VA: Time-Life Books,
Book (companion to TV miniseries of same name) distributed by Warner Bros.
Pinkerton Corporate Website