@book{ 0-1608745139, title = {Geschichte des Papsttums im Mittelalter}, series = {[Besondere wissenschaftliche Reihe (BWR)}, author = {Herbers, Klaus}, address = {Darmstadt}, publisher = {WBG (Wiss. Buchges.)}, year = {2012}, isbn = {9783534231706}, isbn = {3534231708}, language = {German}, url = {https://swbplus.bsz-bw.de/bsz338888063inh.htm}, url = {https://swbplus.bsz-bw.de/bsz338888063kla.htm}, url = {https://katalog.ub.uni-leipzig.de/Record/0-1608745139} }