On the publication of new rules for the extraction and development of precious and colored stones.July 14, 1912 - July 19, 1913

On the publication of new rules for the extraction and development of precious and colored stones.July 14, 1912 - July 19, 1913, the Council of Ministers.- 1912. -107 l .. - (Council of Ministers .. Inventory Inventory No. 8. 1912.).-Finance, industry and trade.Film..I. Council of Ministers ..Electronic copy source: RGIAOriginal storage place: RGIA F.1276 op.8 149