Grala, Marcin. “The Case of Agafa-Konchaka in the Tver’- Moscow Conflict of 1317–1318”. History / Istorija 138, no. 2 (October 23, 2025): 5–21. Accessed October 26, 2025. https://ejournals.vdu.lt/index.php/istorijoszurnalas/article/view/8105.