Coba jelasin Bacaan tambahan dari William Joseph Donovan dong

Duffy, Francis Patrick Fr. (1919). Father Duffy's Story, New York: George H. Doran Company.

Reilly, Henry J.; Heer, F.J. (1936). Americans All, the Rainbow at War: The Official History of the 42nd Rainbow Division in the World War.

Troy, Thomas F (1981). Donovan and the CIA: A History of the Establishment of the Central Intelligence Agency, CIA Center for the Study of Intelligence.