Timothy Reuter (2001). "Rules of the game in Medieval Politics"(PDF). book review of a volume of eleven articles - most of which had already been individually published in learned journals - by Gerhard Althoff. Max Weber Stiftung – Deutsche Geisteswissenschaftliche Institute im Ausland (German Historical Institute London Bulletin), Bonn. pp. 40–46. Retrieved 18 November 2020.
Gerd Althoff: "Colloquium familiare – Colloquium secretum – Colloquium publicum. Beratung im politischen Leben des früheren Mittelalters", in: Frühmittelalterliche Studien vol. 24 (1990) pp. 145–167.