On the approval in the engineering and construction department of the Petrograd Polytechnic Institute of the reclamation subdivi...

On the approval in the engineering and construction department of the Petrograd Polytechnic Institute of the reclamation subdivistry.June 2-17./ Council of Ministers.- 1915. -43 l .. - (Council of Ministers .. Inventory inventory No. 11. 1915.).-Science and education.Film..I. Council of Ministers ..Electronic copy source: RGIAOriginal storage location: RGIA f.1276 op.11 d.1341