En
RuKaulbars
Kaulbars
- Alexander Vasilievich Kaulbars
Notes of the Imperial Russian Geographical Society. By general geography. T. 9. [Lower reaches of the Amu-Darya, described from the personal research of the General Staff in 1873 by Colonel Baron A. V. Kaulbars]
Russian Geographical Society. Notes of the Russian Geographical Society. St. Petersburg, 1867-1916.
T. 9: [Lower reaches of the Amu-Darya, described from the personal research of the General Staff in 1873 by Colonel Baron A. V. Kaulbars]. St. Petersburg: Printing house of the Imperial Academy of Sciences, 1881.