Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
United States Strategic Bombing Survey and United States. National Archives and Records Administration,"20th Air Force damage assessment cards, 1945",,"National Archives and Records Administration,Scholarly Resources Inc. [distributor]",1991,National Archives microfilm publications,,,,https://cir.nii.ac.jp/crid/1130000797534952448