Geographic Subject
Russia (Federation)
6
Russia, Northwestern
6
Soviet Union
3
Russian Far East
2
Asia, Southeastern
1
Birobidzhan (Russia)
1
Bulgaria
1
Evreĭska︠i︡a avtonomna︠i︡a oblastʹ (Russia)
1
Indonesia
1
Italy
1
Kalimantan Selatan
1
Kalimantan Selatan (Indonesia)
1
Mekong River Valley
1
Russia, Northern
1
Russian Far East (Russia)
1
Siberia
1
Siberia (Russia)
1
Sumatera Selatan
1
Sumatera Selatan (Indonesia)
1
Ural Mountains Region
1
Ural Mountains Region (Russia)
1