Information for the biography of Allan Pinkerton and the Pinkerton Detective Agency has been derived from many excellent sources.

Books

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.

Internet

Pinkerton Corporate Website