UGNIEWSKI, P. Barbara Grochulska (13 X 1924 – 30 IV 2017). Kwartalnik Historyczny, [S. l.], v. 125, n. 3, p. 799–802, 2019. DOI: 10.12775/19013. Disponível em: https://apcz.umk.pl/KH/article/view/19013. Acesso em: 27 lis. 2021.