Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
United States. National Archives and Records Administration and United States. Dept. of the Army. General Staff. Military Intelligence Division,"Correspondence of the Millitary Intelligence Division relating to general, political, economic, and military conditions in Russia and the Soviet Union, 1918-1941",,"The National Archives, National Archives and Records Administration",1986,National Archives microfilm publications,,,,https://cir.nii.ac.jp/crid/1130282273159372928