KWIATKOWSKI, Piotr T. Jerzy Ryszard Szacki (6 February 1929 – 25 October 2016). Acta Poloniae Historica, [S. l.], v. 114, p. 413–417, 2016. DOI: 10.12775/12699. Disponível em: https://apcz.umk.pl/APH/article/view/12699. Acesso em: 3 jan. 2026.