Grankov, Leonid. “Foreign Trade Policy and the Russian Merchant Marine in the Mid to Late XIX-Th Century”. Gosudarstvennaya Sluzhba 11, no. 3 (May 15, 2009): 70–72. Accessed November 8, 2026. https://gosudarstvennaya-sluzhba.owebs.ru/article/view/20854.