著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL National Industrial Conference Board,"Report of the Tax Committee of the National Industiral Conference Board on the federal tax problem : for consideration of the Third National Industrial Tax Conference on January 21 and 22, 1921",,National Industirial Conference Board,1920,Special report,,,,https://cir.nii.ac.jp/crid/1130282270427684608