Some subchapters of  "From Ghana and Mali to Songhay: The Mande factor in Gao history", In: D. Lange, Ancient Kingdoms of West Africa: Africa-Centred and Canaanite-Israelite Perspectives J. Röll, Dettelbach 2004:

 

--  "The Za/Zaghe of Gao-Saney and the Almoravids", in: D. Lange, Ancient Kingdoms, 498-509. 
 
 
--  "The domination of Mali and the emergence of Songhay", in: D. Lange, Ancient Kingdoms, 516-531. 
 
 
--  "Songhay from Sonni Ali to Askiya Muhammad", in: D. Lange, Ancient Kingdoms, 531-7. 
 
 
--  "Bibliography of Songhay history", in: D. Lange, Ancient Kingdoms, 540-4. 
 
 
2004b "Not yet Songhay", Orientalistische Literaturzeitung 99, 2, 145-156.
 
 

2004c "Review of Farias, Inscriptions" , Afrika und Übersee 87 (2004), 302-305.

 



1996 "La chute de la dynastie des Sissé: Considérations sur la dislocation de l'empire du Ghana à partir de l'histoire de Gao", History in Africa 23, 155-178 (reprinted in Lange, Ancient Kingdoms, 431-454; comments, 563-4). 

 


1994 "From Mande to Songhay: Towards a political and ethnic history of medieval Gao", Journal of African History 35, 275-301 (reprinted in Lange, Ancient Kingdoms, 403-429; comments, 562-3). 

 

 

1991 "Les rois de Gao-Sané et les Almoravides", Journal of African History 32, 251-275 (reprinted in Lange, Ancient Kingdoms, 377-401; comments, 562). 

 

 

1988 "Neue Erkenntnisse zur Geschichte von Songhay", Afrika und Übersee 71, 5-15.

 


 
The history of Songhay is also considered in the following publications:

 


2005 "Zwischen Wüste und Regenwald - die Großreiche der westlichen Sudanzone", H. Hogen (ed.), Welt- und Kulturgeschichte, Bd. 9, Hamburg 2006, 114-138.

 


1996 "The Almoravid expansion and the downfall of Ghana", Der Islam 73, 122-159 (reprinted in Lange, Ancient Kingdoms, 455-493; comments, 564-5).

 


1992a "Das alte Mali und Ghana: Die Kritik einer historiographischen Fiktion", Historische Zeitschrift 255, 587-623.

 


1992b "Ein vernachlässigtes Forschungsgebiet: die Geschichte des westafrikanischen Mittelalters", Saeculum 43, 4, 291-306.