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Germany. Auswärtiges Amt, United States. National Archives and Records Service, and American Historical Association. Committee for the Study of War Documents. German Foreign Ministry Archives: A.H.A.I. Washington, D.C.: Whaddon Hall Project, Committee on War Documents of the American Historical Association, 1950.

Germany. Auswärtiges Amt, et al. German Foreign Ministry Archives: A.H.A.I. Whaddon Hall Project, Committee on War Documents of the American Historical Association, 1950.