References

Additional sources and materials

 Cummings A., Masse T. FBI Intelligence Reform. New York, 2007.
 Theoharis A.G., Cox J.S. The Boss. J. Edgar Hoover and the Great American Inquisition. Temple, 1988, p. 237.
 Shmidt R. Red Scare. FBI and the Origins of Anticommunism in the United States, 1919-1943. Copenhagen (Denmark), 2000, p. 24.
 Ackerman K. Young J. Edgar: Hoover, the Red Scare, and the Assault on Civil Liberties. New York, 2005, p. 48.
 Holden H. FBI 100 Years. Minneapolis, 2008, p. 97.
 Mason A.T. Harlan Fiske Stone: Pillar of the Law. New York, 1956, p. 112.
 McCartney L. The Teapot Dome Scandal: How Big Oil Bought the Harding White House and Tried to Steal the Country. New York, 2008.
 Harlan F. Stone Dairy. - Jones Library. Frederick L. Stone Family Papers (1891-1991), Box 108.
 Waller D. Wild Bill Donovan: The Spymaster Who Created the OSS and Modern American Espionage. Garden City - New York, 2011, p. 12-35.
 Troy T.F. Donovan and the CIA: A History of the Establishment of the Central Intelligence Agency. Frederick, 1984, p. 50.
 Donovan Report for Stone, 9 May 1925. - National Archives and Records Administration (dalee - NARA). Record Group 60. Department of Justice.
 Riebling M. Wedge: The Secret War between the FBI and CIA. New York, 1994, p. 18;
 Powers R.G. Secrecy and Power: The Life of J. Edgar Hoover. Chicago, 1987, p. 24-25.
 Rappleye C. Herbert Hoover in the White House: The Ordeal of the Presidency. London (Great Britain), 2014, p. 56-58.
 Hyde H.M. Room 3603: The Incredible True Story of Secret Intelligence Operations During World War II. London, 1963, p. 116-119.
 Theoharis A.G. From the Secret Files of J. Edgar Hoover. Chicago, 1992, p. 216.
 Weiner T. Enemies: A History of the FBI. New York, 2012.
 White G.J. Henry A. Wallace: His Search for a New World Order. New York, 1995.