Garczyk, Bartłomiej. “Ethnic Structure of St Petersburg – Petrograd – Leningrad in the Period of 1703-1991”. Studia Historiae Oeconomicae 31 (December 10, 2013): 87–105. Accessed November 22, 2024. https://pressto.amu.edu.pl/index.php/sho/article/view/29195.