Other
History
3
African American
2
African American physicians
2
African American troops
2
Armed Forces
2
History, 20th Century
2
Medical care
2
Military Medicine
2
Military participation
2
Participation, African American
2
Physicians
2
World War, 1914-1918
2
history
2
African Americans
1
Black or African American
1
Foreign relations
1
Government policy
1
Politics and government
1
Refugees
1
Russians
1
Societies, etc
1
World War I
1
World War I.
1