Otto I., Heiliges Römisches Reich, Kaiser2024-11-120943-01-180943-01-181981-11-06https://urkundenrepositorium.uni-marburg.de/handle/lba/2664383-403:464 MASSTAB: 91CC-By 4.0 Internationalhttps://creativecommons.org/licenses/by/4.0/1988-12-22