Natkański, Karol E., and Piotr Świątkiewicz. “21. Infantry Regiment Von Borcke (4. Pomeranian) in Battle under Bolimow in the Light of Archaeological Investigations”. Acta Universitatis Lodziensis. Folia Archaeologica, no. 32, July 2018, pp. 65-118, doi:10.18778/0208-6034.32.05.