American Historical Association. Committee for the Study of War Documents, Germany. Auswärtiges Amt, United States. National Archives and Records Service, & United States. Department of State. Historical Office. (1959). A catalogue of files and microfilms of the German Foreign Ministry archives, 1867-1920. National Archives, National Archives and Records Service, General Services Administration.

American Historical Association. Committee for the Study of War Documents, Germany. Auswärtiges Amt, United States. National Archives and Records Service, and United States. Department of State. Historical Office. A Catalogue of Files and Microfilms of the German Foreign Ministry Archives, 1867-1920. Washington, D.C.: National Archives, National Archives and Records Service, General Services Administration, 1959.

American Historical Association. Committee for the Study of War Documents, et al. A Catalogue of Files and Microfilms of the German Foreign Ministry Archives, 1867-1920. National Archives, National Archives and Records Service, General Services Administration, 1959.