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
"Friedlaender, Salomo and Geerken, Hartmut and Thiel, Detlef and Hauff, Sigrid",Briefwechsel II : Mai 1919-April 1931,,"BoD, Books on Demand",2018,Gesammelte Schriften,,9783748127895,,https://cir.nii.ac.jp/crid/1130289210025543944