The economic tablet C.B.M. 2152 is dated in the fourth year of Ashur-etel-ilani. (Legal and Commercial Transactions Dated in the Assyrian, Neo-Babylonian and Persian Periods—Chiefly From Nippur, by A.T. Clay, 1908, page 74.)
The Watchtower Announcing Jehovah’s Kingdom. October 1, 2011 p. 31
Legal and Commercial Transactions Dated in the Assyrian, Neo-Babylonian and Persian Periods