Helen J. Nicholson. The Knights Templar. Leeds: Arc Humanities Press, 2021. 96 + VI S. ISBN: 9781641891684 (Buch) / 9781641891691 (e-Book, PDF) - Sarnowsky, Jürgen (Ordines Militares Colloquia Torunensia Historica. Yearbook for the Study of the Military Orders, 2022)