The case of improving roads in the empire.N. 05.11.1831;V. u.04/27/1832 (with the application of drawings).

The case of improving roads in the empire.N. 05.11.1831;V. u.04/27/1832 (with the application of drawings)./ Department of State savings.- 1831. -106 l .. - (Department of state savings of the State Council. Inventory No. 2. 1831).-Film..I. Department of State Economy ..Electronic copy source: RGIAPlace of storage of the original: RGIA f.1152 op.2 1831 d.118