Geographic Subject
Russia
4
Ethiopia
3
United States
3
Istanbul
2
Mexico
2
Middle East
2
Mississippi River
2
Roanoke Colony
2
Siberia (Russia)
2
Turkey
2
Virginia
2
Argentina
1
Asia, Central
1
China
1
East Asia
1
Eritrea
1
Europe
1
Italy
1
Kamchatska︠i︡a oblastʹ (Russia)
1
London (England)
1
Masovia (Poland)
1
Minnesota
1
Mississippi River Valley
1
Netherlands
1
Ohio River
1
Pennsylvania
1
Red River of the North
1
Russia (Federation)
1
Russian Far East (Russia)
1
Siberia
1
Southwest, New
1
Soviet Union
1
Sri Lanka
1
St. Croix River
1
Tennessee
1
Texas
1