- Oromia and Ethiopia: State Formation and Ethnonational Conflict, 1868-2004
- Fighting Against the Injustice of the State and Globalization: Comparing the African American and Oromo Movements
- Fighting Against the Injustice of the State and Globalization: Comparing the African American and Oromo Movements
- Phases of Terrorism in the Age of Globalization: From Christopher Columbus to Osama bin Laden
- Phases of Terrorism in the Age of Globalization: From Christopher Columbus to Osama Bin Laden