On the use of general educational primary school to disseminate agricultural knowledge, part 1.5 January.

On the use of general educational primary school to disseminate agricultural knowledge, part 1.January 5 / Council of Ministers.- 1915. -29 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.1289