Grupa, M., and J. W. Łukasiewicz. “Silk Band and Metal appliqués of a child’s Bonnet from the Northern Crypt of the Parish Church in Gniew”.
Analecta Archaeologica Ressoviensia
, vol. 14, Dec. 2019, pp. 137-53, doi:10.15584/anarres.2019.14.10.