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
League of Nations,"Report by the Committee of Experts on Slavery provided for by the Assembly Resolution of September 25th, 1931",,League of Nations,1932,Series of League of Nations publications,,,,https://cir.nii.ac.jp/crid/1130000796270223104