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 "Hoffman, Frederick L. (Frederick Ludwig)",Failure of German compulsory health insurance : a war revelation,,[Association of Life Insurance Presidents],1918,Betterment of life insurance service,,,,https://cir.nii.ac.jp/crid/1130000793840488576