TRYBUŚ, Elżbieta. Polish Culture in Los Angeles: History of Helena Modjeska Art & Culture Club. Polonia Inter Gentes, [S. l.], n. 2, p. 113–120, 2021. Disponível em: https://czaz.akademiazamojska.edu.pl/index.php/pig/article/view/565. Acesso em: 5 grudz. 2025.