KICIŃSKA, U. Sources for studying the position of widows in noble families and society in the Polish-Lithuanian Commonwealth. An outline of the problem and research questions. Res Gestae, [S. l.], v. 13, p. 42–55, 2022. DOI: 10.24917/24504475.13.3. Disponível em: https://resgestae.up.krakow.pl/article/view/9032. Acesso em: 3 paź. 2022.