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Russia (Pre-1917)
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8
Cholera
3
Disease Outbreaks
2
World War I
2
Ambulances
1
Communicable Diseases -- etiology
1
Foster Home Care
1
Infant Care
1
Meteorology
1
Military Personnel
1
Nurses
1
Orphanages -- organization & administration
1
Politics
1
Red Cross
1
United States
1
Volunteers
1