Source materials utilized in the writing of Baby Face Nelson: Childlike Mug, Psychopathic Soul are as follows:

Books

Borus, Daniel H. (ed.)     These United States – Portraits of America From the 1920s  Ithaca, NY: Cornell University Press, 1992.

Lindberg, Richard     Return to the Scene of the Crime  Nashville, TN: Cumberland House, 1999.

Nash, Jay Robert  Bloodletters and Badmen     NY: M. Evans & Company, Inc., 1995.

Wallis, Michael     Pretty Boy   NY: St. Martin's Press, 1992.

Zion, Sidney; Loyalty and Betrayal – The Story of the American Mob;  San Francisco: Collins Publishers, 1994.

Internet

John Dillinger File, The (Outlaw Archives)

National Law Enforcement Officers Memorial Fund Homepage

Sausalito (California) Police Department History,

Your FBI History Files