Wołos, Mariusz. “‘An Unfulfilled Writer Who Became a Historian’. Jerzy Wojciech Borejsza (22 August 1935 – 28 July 2019)”. Acta Poloniae Historica 123 (July 18, 2021): 7–56. Accessed October 8, 2026. https://apcz.umk.pl/APH/article/view/APH.2021.123.01.