Gliožaitis, Algirdas. “Administrative Division of Lithuania on the Russian Maps of the XIX and XX Centuries (3 of 3)”. Geodesy and Cartography 32, no. 4 (August 3, 2012): Ia-Ih. Accessed December 23, 2024. https://transport.vilniustech.lt/index.php/GAC/article/view/12138.