Siebert, Diana. “Map from the Appendix to Brest-Litovsk Peace Treaty: Reasons for Unpublishing and Mistakes in the Interpretation of Document in German Historiography”. Journal of the Belarusian State University. History, no. 2 (April 27, 2018): 47–56. Accessed July 18, 2026. https://journals.bsu.by/index.php/history/article/view/111.