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Lewy 1971, pp. 758–759. Lewy, Hildegard (1971). "Assyria c. 2600–1816 BC". In Edwards, I. E. S.; Gadd, C. J.; Hammond, N. G. L. (eds.). The Cambridge Ancient History: Volume I Part 2: Early History of the Middle East (3rd ed.). Cambridge: Cambridge University Press. ISBN0-521-07791-5.
Lewy 1971, p. 761. Lewy, Hildegard (1971). "Assyria c. 2600–1816 BC". In Edwards, I. E. S.; Gadd, C. J.; Hammond, N. G. L. (eds.). The Cambridge Ancient History: Volume I Part 2: Early History of the Middle East (3rd ed.). Cambridge: Cambridge University Press. ISBN0-521-07791-5.
Lewy 1971, p. 762. Lewy, Hildegard (1971). "Assyria c. 2600–1816 BC". In Edwards, I. E. S.; Gadd, C. J.; Hammond, N. G. L. (eds.). The Cambridge Ancient History: Volume I Part 2: Early History of the Middle East (3rd ed.). Cambridge: Cambridge University Press. ISBN0-521-07791-5.
Lewy 1971, p. 740. Lewy, Hildegard (1971). "Assyria c. 2600–1816 BC". In Edwards, I. E. S.; Gadd, C. J.; Hammond, N. G. L. (eds.). The Cambridge Ancient History: Volume I Part 2: Early History of the Middle East (3rd ed.). Cambridge: Cambridge University Press. ISBN0-521-07791-5.
Lewy 1971, p. 750. Lewy, Hildegard (1971). "Assyria c. 2600–1816 BC". In Edwards, I. E. S.; Gadd, C. J.; Hammond, N. G. L. (eds.). The Cambridge Ancient History: Volume I Part 2: Early History of the Middle East (3rd ed.). Cambridge: Cambridge University Press. ISBN0-521-07791-5.
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Lewy 1971, p. 748. Lewy, Hildegard (1971). "Assyria c. 2600–1816 BC". In Edwards, I. E. S.; Gadd, C. J.; Hammond, N. G. L. (eds.). The Cambridge Ancient History: Volume I Part 2: Early History of the Middle East (3rd ed.). Cambridge: Cambridge University Press. ISBN0-521-07791-5.
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Lewy 1971, p. 770. Lewy, Hildegard (1971). "Assyria c. 2600–1816 BC". In Edwards, I. E. S.; Gadd, C. J.; Hammond, N. G. L. (eds.). The Cambridge Ancient History: Volume I Part 2: Early History of the Middle East (3rd ed.). Cambridge: Cambridge University Press. ISBN0-521-07791-5.
Lewy 1971, p. 763. Lewy, Hildegard (1971). "Assyria c. 2600–1816 BC". In Edwards, I. E. S.; Gadd, C. J.; Hammond, N. G. L. (eds.). The Cambridge Ancient History: Volume I Part 2: Early History of the Middle East (3rd ed.). Cambridge: Cambridge University Press. ISBN0-521-07791-5.
Lewy 1971, p. 766. Lewy, Hildegard (1971). "Assyria c. 2600–1816 BC". In Edwards, I. E. S.; Gadd, C. J.; Hammond, N. G. L. (eds.). The Cambridge Ancient History: Volume I Part 2: Early History of the Middle East (3rd ed.). Cambridge: Cambridge University Press. ISBN0-521-07791-5.
Lewy 1971, p. 764. Lewy, Hildegard (1971). "Assyria c. 2600–1816 BC". In Edwards, I. E. S.; Gadd, C. J.; Hammond, N. G. L. (eds.). The Cambridge Ancient History: Volume I Part 2: Early History of the Middle East (3rd ed.). Cambridge: Cambridge University Press. ISBN0-521-07791-5.
Lewy 1971, pp. 766–768. Lewy, Hildegard (1971). "Assyria c. 2600–1816 BC". In Edwards, I. E. S.; Gadd, C. J.; Hammond, N. G. L. (eds.). The Cambridge Ancient History: Volume I Part 2: Early History of the Middle East (3rd ed.). Cambridge: Cambridge University Press. ISBN0-521-07791-5.
Lewy 1971, p. 767. Lewy, Hildegard (1971). "Assyria c. 2600–1816 BC". In Edwards, I. E. S.; Gadd, C. J.; Hammond, N. G. L. (eds.). The Cambridge Ancient History: Volume I Part 2: Early History of the Middle East (3rd ed.). Cambridge: Cambridge University Press. ISBN0-521-07791-5.
Mallowan 1971, p. 300. Mallowan, Max E. L. (1971). "The Early Dynastic Period in Mesopotamia". In Edwards, I. E. S.; Gadd, C. J.; Hammond, N. G. L. (eds.). The Cambridge Ancient History: Volume I Part 2: Early History of the Middle East (3rd ed.). Cambridge: Cambridge University Press. ISBN0-521-07791-5.