Wright, H., N. Miller and R. Redding 1980. Time and Process in an Uruk Rural Center. In
L’archéologie de l’Iraq du début de l’époque néolithique à 333 avant notre ère: perspectives et limites
de l’interpretation anthrolopogique des documents, M.T. Barrelet (ed.) 1977. Paris: Colloque
international du centre national de la recherche scientifique, pp. 265 – 284.
Zettler, R. 1977. The Sargonic royal seal. In Gibson and Briggs (eds.), pp. 33 – 39.
Zettler, R. 1987. Sealings as artefacts of institutional administration in ancient Mesoptamian. Journal
of Cuneiform Studies 39 : 197 – 240.
—— 2007. Dynastic Change and Institutional Administration in Southern Mesopotamia in the
Later Third Millennium BCE: Evidence from Seals and Sealing Practices. In Regime Change in
the Ancient Near East and Egypt, From Sargon of Agade to Saddam Hussein, H. Crawford (ed.).
Proceedings of the British Academy. New York: Oxford University Press, pp. 9 – 35.
–– Seals and sealings in the Sumerian world ––