The case of the laying of the supply of malachite and other colored ores.N. 31.05.1820;V. u.03/07/1821.

The case of the laying of the supply of malachite and other colored ores.N. 31.05.1820;V. u.03/07/1821./ Department of State savings.- 1820. -8 l .. - (Department of State Saving State Council. Inventory No. 1. 1820).-Film..I. Department of State Economy ..Electronic copy source: RGIAOriginal storage location: RGIA f.1152 op.1 1820 d. 34