SUMERIAN TECHNOLOGY—BOBULA 673 
LEVEY, MARTIN. 
1959. Chemistry and chemical technology in ancient Mesopotamia. Am- 
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1949. Origin and development of the sexagesimal system of numeration. 
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Lioyp, SETON. 
1936. Mesopotamia: excavations on Sumerian sites, London. 
1943. Twin rivers. London. 
1948a. Uruk pottery. Sumer, vol. 4, No.1, pp. 39-51. Baghdad. 
1948b. The oldest city of Sumeria; establishing the origins of Hridu. 
Illustr. London News, Ser. 11, pp. 303-305. 
Mackay, H. J. Henry. 
1925-29. Report on the “A” cemetery at Kish, Mesopotamia. Chicago. 
MALLOowWAN, M. H. L. 
1930. New light on ancient Ur. Nat. Geogr. Mag., vol. 57, No. 1, pp. 94-120. 
1956. Twenty-five years of Mesopotamian discovery. London. 
MALLOWAN, M. E. L., and CRUIKSHANK, Rose J. 
1935. Prehistoric Assyria; the excavations at Tell Arpachiyah. London. 
Maryon, HERBERT. 
1949. Metal working in the ancient world. Amer. Journ. Archaeol., vol. 53, 
pp. 93-125. 
MAXWELL-HySsLop, RACHEL. 
1949. Western Asiatic shaft-hole axes. Iraq, vol. 11, pt. 1, pp. 90-129. 
McCown, Donatp E. 
1951. Nippur: the holy city. Univ. Pennsylvania Mus. Bull., vol. 16, No. 2, 
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1952. Excavations at Nippur, the 4000 year old city of Sumeria and Babylo- 
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MoorteGat, ANTON. 
1932. Die Bildende Kunst des Alten Orients und die Bergvoélker. Berlin. 
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1949. Tammuz. Berlin. 
NEUGEBAUER, O. 
1951. The exact sciences in antiquity. Copenhagen. 
NOTGEMEINSCHAFT DER DEUTSCHEN WISSENSCHAFT. 
1934. Vorliufiger Bericht tiber die in Uruk unternommenen Ausgrabungen. 
Berlin. 
OPPENHEIM, A. LEO. 
1941. The golden garments of the gods. Journ. Near East. Stud., vol. 8, 
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1954. The seafaring merchants of Ur. Journ. Amer. Orient. Soc., vol. 74, 
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PALLIS, SVEND AAGE. 
1956. Antiquity of Iraq. Copenhagen. 
PARROT, ANDRE. 
1946. Archéologie mésopotamienne. Paris. 
1948. Tello. Paris. 
19538. Le tour de Babel. Paris. 
1955. Discovering buried worlds. New York. 
PARTINGTON, J. R. 
1935. Origins and development of applied chemistry. London-New York. 
