Economic surveys of railway branches in the area of ​​northern railways

Poplavsky, Ivan Alexandrovich (1879-).Economic surveys of railway branches in the area of ​​northern railways / Comp.I.A.Poplavsky, commercial.Agent Ex.sowing.Zhel.Dor.;M.P.S.Ex.Sowing.and.d. commercial.service.- Moscow: Kazen.J.-D.type of.Mosk.node, 1914. - 26. -.I. North railwayElectronic copy source: PB