Wojtaszak, Andrzej. “The Development of the Arms Industry in Poland in the Second Half of the 1930s. The Role of General Alexander Litwinowicz”. In Tools of War, edited by Tadeusz Grabarczyk, 9:203–238. Faces of war. Poland: Lodz University Press, 2023. Accessed January 22, 2026. https://www.press.uni.lodz.pl/index.php/wul/catalog/book/815/chapter/1992.