Traveling along the Ussuri River Valley

Maac, Richard Karlovich (1825-1886).Traveling along the valley of the Ussuri River: committed, on behalf of Sib.Department of Rus.Geogr.O-va, R. Maac.T. 1-2.- St. Petersburg: Type.V. Bezobrazova and Co., 1861. -2 t.;thirty. - .Electronic copy source: PB