1. Andrae, G. & Beckman, B. (2010) Alliances across the formal–informal divide: South African debates and Nigerian experiences, in: I.Lindell (Ed.) Africa's Informal Workers: Collective Agency, Alliances and Transnational Organizing in Urban Africa (London/Uppsala: Zed Books/Nordiska Afrikainstitutet), pp. 85–98.
2. Bayart, J.F., Ellis, S. & Hibou, B. (Eds) (1999) The Criminalization of the State in Africa (Oxford/Bloomington: James Currey/Indiana University Press)
3. From `Dangerous Classes' to `Quiet Rebels'
4. Beall, J. (2005) Urban livelihoods, in: B.Wisner, C.Toulmin & R.Chitiga (Eds) Towards a New Map of Africa (London/Sterling, VA: Earthscan), pp. 97–112.