Ангара

      Russia. Ministry of Railways A brief description of the study of the Angara River, produced by the Angara Descriptive Party in 1887-1889. under the command of engineer. M. Cherntsova.
St. Petersburg: Type. br. Panteleevykh, 1894.

РГБ

        The Siberian archive. 1912, No. 5 (March). Category: Irkutsk. MP Okuneva, 1911-1916.

Иркутская ОГУНБ

        The Siberian archive. 1912, No. 10 (Aug.). Category: Irkutsk. MP Okuneva, 1911-1916.

Иркутская ОГУНБ

        The Siberian archive. 1912, No. 11 (Sept.). Category: Irkutsk. MP Okuneva, 1911-1916.

Иркутская ОГУНБ