1. 1. Dulles to Hugh Gibson (American ambassador at Brussels and senior American delegate to the Coolidge Naval Conference), 9 September 1927, Hugh Wilson Papers (Herbert Hoover Presidential Library, West Branch, Iowa), Box 1.
2. 2. For instance, W. R. Braisted,The United States Navy in the Pacific, 1909-1922(Austin, TX, 1971); T. H. Buckley,The United States and the Washington Conference, 1921-1922(Knoxville, TN, 1970); R. Dingman,Power in the Pacific: The Origins of Naval Arms Limitation, 1914-1922(Chicago, 1976); J. C. Vinson,The Parchment Peace: The United States Senate and the Washington Conference, 1921-1922(Athens, GA, 1955).
3. Depression and security: Aspects influencing the united states navy during the Hoover administration