David A.  Anderson 

Zoomorphic figurines from the Predynastic settlement at el-Mahâsna, Egypt, in: Hawass, Zahi; Richards, Janet E. (eds), The archaeology and art of ancient Egypt: studies in honor of David B. O'Connor I. Annales du Service des Antiquités de l'Egypte, cahier 36. Cairo

Evidence for early ritual activity in the predynastic settlement at el-Mahâsna, in: Friedman, Renée; Fiske, Peter N. (eds), Egypt at its origins 3: proceedings of the Third International Conference “Origin of the State. Predynastic and Early Dynastic Egypt”, London, 27th July – 1st August 2008. Orientalia Lovaniensia Analecta 205. Leuven

Power and competition in the Upper Egyptian predynastic: a view from the predynastic settlement at el-Mahâsna, Egypt. PhD thesis, University of Pittsburgh. Pittsburgh