David F. Graf, 'Petra and the Nabataeans in the Early Hellenistic Period: the literary and archaeological evidence,' in Michel Mouton,Stephan G. Schmid (eds.), Men on the Rocks: The Formation of Nabataean Petra, Logos Verlag Berlin GmbH, 2013 pp.35-55 p.47
Diana Vikander Edelman, The Origins of the Second Temple: Persion Imperial Policy and the Rebuilding of Jerusalem, Routledge 2005, ISBN9781845530174, p. 265 [1]