Geographic Subject
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Philadelphia (Pa.)
1
Russia
1
Russia (Federation)
1
Russia (Territory under White armies, 1918-1920)
1
Serbia
1
South Africa
2
South Carolina
1
Soviet Union
4
Sri Lanka
1
Tennessee
1
Territory under White armies, 1918-1920
1
Ukraine
3
United States
4
Uruguay
2
Utah
2
Venezuela
1
Verenigde Staten
1
Vietnam
2
États arabes
1