Voloshchuk, M. (2021). Cities of Rus’ in the military operations of the Piasts against the Rurikids (11 – mid- of the 14 centuries). Part 1. In T. Grabarczyk & M. Pogońska-Pol (Eds.), & (Ed.), City and War (Vols. 4, pp. 27-52). Lodz University Press. https://doi.org/10.18778/8220-617-3.03