Raczkowski, Juliusz. “Not Only the Golden Gate? A Newly Discovered Fragment from the Decoration of the Castle Chapel Portal in Althaus (Starogród) As a Contribution to the Identification of Ceramic Sculpture in the Teutonic Order’s State in Prussia”. Ordines Militares Colloquia Torunensia Historica. Yearbook for the Study of the Military Orders 23 (December 30, 2018): 339–357. Accessed April 19, 2024. https://apcz.umk.pl/OM/article/view/OM.2018.012.