Apetrei, Cristian. “The Fortifications of Nobiliary Residences in Wallachia and Moldavia (14th-16th Centuries)”. The Annals of "Dunarea de Jos" University of Galati. Fascicle XIX, History 5 (December 7, 2007): 51-81. Accessed July 22, 2024. https://gup.ugal.ro/ugaljournals/index.php/history/article/view/884.