Journey through the valley of the Ussuri River: R. Maak performed on behalf of the Siberian Department of the Imperial Russian Geographical Society: 1-2. - St. Petersburg: in the printing house V. Bezobrazov and Co., 1861
T. 2: On the vegetation of the Ussuri country. Additional material for the flora of the Amur Region / c. Dr. E. Regel and R. Maack. - 1861.-XXIV, 345 pp., 1 L. front. (ill.), 13 liters. yl, k .. -
I. Regel, Edward-Augustus (1815-1892) .1. Territory (collection). 2. Primorsky Krai: pages of history (collection). 3. Natural wealth of Russia (collection). 4. Plants - Ussuri region.