D. Toichkin, “The Saber of Alexey Apostol from Collection of Museum in Mirohorod. A Historical Study of a Weapon”, in Narzędzia wojny, vol. 8, T. Grabarczyk, J. Kita, M. Pogońska-Pol, and M. Voloshchuk, Eds. Poland: Lodz University Press, 2023, pp. 105–122. doi: 10.18778/8331-314-6.06.