R. Zadok, “The Nippur Region During the Late Assyrian, Chaldean and Achaemenian Periods Chiefly According to Written Sources,” Israel Oriental Studies 8 (1978); I. Eph‘al, “The Western Minorities in Babylonia in the 6th–5th Centuries B.C.: Maintenance and Cohesion,” Orientalia 47 (1978), pp. 74–90.