Kaniecka, Monika. “Slavery in the 18th–19th Century United States in Julian Ursyn Niemcewicz’s Relations from Travels through America”. In Vade Nobiscum, Tom XXI 2019: Studia Z Historii Gospodarczej, Kulturowej I społecznej, edited by Piotr Budzyński, Maciej Dawczyk, Krzysztof Gryglewski, Michał Owczarek, and Michał Ziółkowski, 39–50. Vade Nobiscum. Poland: Lodz University Press, 2019. Accessed January 25, 2026. https://www.press.uni.lodz.pl/index.php/wul/catalog/book/1482/chapter/4565.