Gregor IX., Papst2024-01-022024-01-021231-02-0605.01.19821231-02-066605https://urkundenrepositorium.uni-marburg.de/handle/lba/10433Archivsignatur: Brondolo Nr.45imageCC-By 4.0 Internationalhttps://creativecommons.org/licenses/by/4.0/05.01.1982