Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Thomas Biller, Die Hochkönigsburg im Mittelalter: Geschichte und neue Bauforschung. Mit einem Beitrag von Bernhard Metz. Ostfildern: Jan Thorbecke Verlag 2020, 316 S.
Republicanism. A Shared European Heritage, 2 Bde., Bd. 1: Republicanism and Constitutionalism in Early Modern Europe; Bd. 2: The Values of Republicanism in Early Modern Europe