Ragauskas, Aivas. “Let a Special Remembrance Be Made for My soul… Testament of Walenty Bartoszewski († 1638), Rector of the Parish School of the Vilnius St. John the Baptist Church”. History / Istorija 136, no. 4 (April 14, 2025): 121–145. Accessed April 19, 2025. https://ejournals.vdu.lt/index.php/istorijoszurnalas/article/view/7283.