ЮЖНЫЙ ФЕДЕРАЛЬНЫЙ ОКРУГ
ЮЖНЫЙ ФЕДЕРАЛЬНЫЙ ОКРУГ
- Астраханская и Волгоградская области
Proceedings of the Aral-Caspian expedition. Issue. 2. The Caspian Sea and its fauna
Aral-Caspian expedition. 1874. (1874). Proceedings of the Aral-Caspian expedition. St. Petersburg: printing house t-va "Public benefit", 1875-1915.
Вып. 2: The Caspian Sea and its fauna. 1877. - Республика Крым
Taurian Gubernia. Project Biological Station in the mountains. Sevastopol
Technical and Construction Committee of the Ministry of Internal Affairs.
Taurian Province. Project Biological Station in the mountains. Sevastopol.