Engel, Ulf
- The African Union’s Panel of the Wise: an unfulfilled promise?
- The African Union’s conflict early warning system is no more. What now?
- Researching the Inner Life of the African Peace and Security Architecture
- Yearbook on the African Union Volume 1 (2020)
- Yearbook on the African Union Volume 2 (2021)
- Pan-Africanism remains a dream – 4 key issues the African Union must tackle
- Panafricanisme : 4 questions clés auxquelles l’Union africaine doit s’attaquer
- African countries organised for 60 years: Why the Global Importance of the African Union (AU) is Growing
- AU and G20: membership will give Africa more say on global issues – if it speaks with one voice
- Yearbook on the African Union Volume 3 (2022)
- Zusammenarbeit mit afrikanischen Regionalorganisationen strategischer ausrichten
