For citations:
Voronin I.K. The Role of the Oath Taken by Foreigners for Becoming Naturalized Russian Citizens (from the 15th to the Early 20th Century). Uchenye Zapiski Kazanskogo Universiteta Seriya Gumanitarnye Nauki. 2023;165(4-5):113-124. (In Russ.) https://doi.org/10.26907/2541-7738.2023.4-5.113-124