American government official and diplomat (1892-1961)

Secret affairs : Franklin Roosevelt, Cordell Hull, and Sumner Welles / Irwin F. Gellman.

Sumner Welles, postwar planning, and the quest for a new world order, 1937-1943 / Christopher D. O'Sullivan.

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Sumner Welles

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Secret affairs : Franklin Roosevelt, Cordell Hull, and Sumner Welles / Irwin F. Gellman.

Sumner Welles, postwar planning, and the quest for a new world order, 1937-1943 / Christopher D. O'Sullivan.