• 30 Books

• 23 Foreign relations
• 14 Economic conditions
• 7 Human rights
• 5 Civil war
• 5 Economic assistance, American
• 5 Political violence
• 3 Ethnic relations
• 3 History
• 3 Internal security
• 3 Social conditions
• 2 Boko Haram
• 2 Elections
• 2 Political stability
• 1 Armed Forces
• 1 Civil rights
• 1 Civil-military relations
• 1 Civilians in war
• 1 Coups d'état
• 1 Democracy
• 1 Democratization
• 1 Economic policy
• 1 Environmental conditions
• 1 Ethnic conflict
• 1 Insurgency

• 6 Husted, Tomas F.
• 4 Arieff, Alexis
• 4 Cook, Nicolas
• 1 Husted, Tomas F
• 1 Williams, Brock R.

• 30 English

• 23 United States
• 6 South Sudan
• 5 Ethiopia
• 5 Nigeria
• 5 Sudan
• 3 Africa, Sub-Saharan
• 2 Kenya
• 2 Tigray Region
• 2 Zimbabwe
• 1 Africa
• 1 Eritrea
• 1 Madagascar
• 1 Tigray Kifle Hāger
• 1 Tigray Kifle Hāger (Ethiopia)
• 1 Uganda

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