Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Helmholz, R. H. and Zimmermann, Reinhard",Itinera Fiduciae : trust and Treuhand in historical perspective,,Duncker & Humblot,1998,Comparative studies in Continental and Anglo-American legal history = Vergleichende Untersuchungen zur kontinentaleuropäischen und anglo-amerikanischen Rechtsgeschichte,,3428096142,,https://cir.nii.ac.jp/crid/1130282269345095552