Swartz, p. 51. Swartz, Peter. "Organizing OPNAV (1970–2009)"(PDF). Naval History and Heritage Command. U.S. Navy. Archived(PDF) from the original on 22 October 2015. Retrieved 15 September 2021.
Malloy, Kyle (28 September 2011). "Greenert becomes CNO". The Florida Times-Union. Chief of Naval Operations Public Affairs. Archived from the original on 4 October 2022. Retrieved 4 October 2022.
Hone & Utz, p. 12: On 10 February 1913, with just three weeks remaining to the Taft presidency, Meyer appointed Rear Admiral Bradley A. Fiske his Aide for Operations, and he "made the Aide for Operations his liaison man with all the offices and bureaus of the department". Hone, Thomas C.; Utz, Curtis A. "History of the Office of the Chief of Naval Operations, 1915-2015"(PDF). Naval History and Heritage Command. Archived from the original(PDF) on 3 April 2019. Retrieved 15 September 2021.
"Chief of Naval Operations". Lists of Commanding Officers and Senior Officials of the US Navy. Naval Historical Center. Archived from the original on 18 December 2007. Retrieved 6 November 2007.
Hone & Utz, p. 12: On 10 February 1913, with just three weeks remaining to the Taft presidency, Meyer appointed Rear Admiral Bradley A. Fiske his Aide for Operations, and he "made the Aide for Operations his liaison man with all the offices and bureaus of the department". Hone, Thomas C.; Utz, Curtis A. "History of the Office of the Chief of Naval Operations, 1915-2015"(PDF). Naval History and Heritage Command. Archived from the original(PDF) on 3 April 2019. Retrieved 15 September 2021.
Swartz, p. 51. Swartz, Peter. "Organizing OPNAV (1970–2009)"(PDF). Naval History and Heritage Command. U.S. Navy. Archived(PDF) from the original on 22 October 2015. Retrieved 15 September 2021.
"Chief of Naval Operations". Lists of Commanding Officers and Senior Officials of the US Navy. Naval Historical Center. Archived from the original on 18 December 2007. Retrieved 6 November 2007.
Malloy, Kyle (28 September 2011). "Greenert becomes CNO". The Florida Times-Union. Chief of Naval Operations Public Affairs. Archived from the original on 4 October 2022. Retrieved 4 October 2022.
O'Brien 2019, p. 109. O'Brien, Phillips (2019). The Second Most Powerful Man in the World: The Life of Admiral William D. Leahy, Roosevelt's Chief of Staff. New York: Dutton Caliber, an imprint of Penguin Random House. ISBN978-0-399-58482-4. OCLC1260671230.
Adams 1985, p. 90. Adams, Henry H. (1985). Witness to Power: The Life of Fleet Admiral William D. Leahy. Annapolis, Maryland: Naval Institute Press. ISBN978-0-87021-338-0. OCLC464550175.