Głosek, Marian, and Krzysztof Walenta. “The Helm of the Kettle-Hat Type Discovered at the Motte in Leśno, Brusy Commune, Bydgoszcz Province”. Fasciculi Archaeologiae Historicae 10 (January 1, 1997). Accessed March 28, 2024. https://journals.iaepan.pl/fah/article/view/1315.