@article { IngridWrthRegnumstattInterregnumKnigWilhelm12471256MGHSchriften80WiesbadenHarrassowitzVerlag2022LVIII475Sill, title = "Ingrid Würth, Regnum statt Interregnum. König Wilhelm 1247–1256. MGH-Schriften, 80. Wiesbaden Harrassowitz Verlag 2022, LVIII, 475 S., ill.", author = "Andreas {Raffeiner}", year = "2025", publisher = "Peter Lang Verlag", address = "Berlin, Germany", journal = "Mediaevistik", number = "1", volume = "38", doi = "10.3726/med.2025.01.83", url = "https://www.peterlang.com/document/1673110" }