Agapov, Mikhail. “Looking for a Way Out: Trans-Siberian Transportation Projects at the Turn of the 20th Century”. Quaestio Rossica 6, no. 3 (October 11, 2018): 771–783. Accessed July 25, 2021. https://qr.urfu.ru/ojs/index.php/qr/article/view/qr.327.