GĄSSOWSKA, Maja. Scenes from the life of a rich widow (Reval in the mid-fourteenth century). Studia z Dziejów Średniowiecza, [S. l.], n. 22, p. 82–97, 2018. DOI: 10.4467/25442562SDS.18.006.9808. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/stzdsr/article/view/3885. Acesso em: 5 maj. 2024.