Latawiec, Krzysztof, and Yulia Kiselyova. “Functioning of the Customs Administration of the Kingdom of Poland in Russia in 1914–1917 (until the Fall of the Romanov Monarchy)”. Przegląd Nauk Historycznych Review of Historical Sciences, vol. 22, no. 1, Aug. 2023, pp. 107-33, doi:10.18778/1644-857X.22.01.05.