Year → 2001-2010

• Jonglei's tribal conflicts: countering insecurity in South Sudan International Crisis Group (Ed.) Juba [u.a.] : International Crisis Group, 2009 ; Halle (Saale) : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2009

• Negotiating Sudan's North-South future International Crisis Group (Ed.) Juba [u.a.] : International Crisis Group, 2010 ; Halle (Saale) : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2010

• Sudan : defining the north-south border International Crisis Group (Ed.) Juba [u.a.] : International Crisis Group, 2010 ; Halle (Saale) : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2010