Walsh, Lawrence E., Independent Counsel, "Chapter 15: William J. Casey" in Part VI: "Investigations and Cases: Officers of the Central Intelligence Agency," (page 199 et.seq.) in Vol. I: "Investigations and Prosecutions," of the Final Report of the Independent Counsel for Iran/Contra Matters, August 4, 1993, Division for the Purpose of Appointing Independent Counsel, Division No. 86-6, U.S. Court of Appeals for the Distrocit of Columbia Circuit, Washington, D.C. , as transcribed on the site of the Federation of American Scientists, retrieved Feb. 21, 2019
Pace, Eric (May 7, 1987). "Obituary of Mr William Casey". New York Times. Mr. Casey, after serving as chief of secret intelligence in Europe for the Office of Strategic Services in World War II,
