Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Gesellschaft für Ältere Deutsche Geschichtskunde (Germany) and Bresslau, H. and Kehr, Paul Fridolin",Die Urkunden Heinrichs III = Heinrici III. diplomata,,Monumenta Germaniae Historica,1980,Monumenta Germaniae historica : inde ab anno Christi quingentesimo usque ad annum millesimum et quingentesimum,,3921575656,,https://cir.nii.ac.jp/crid/1130000797829062016