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The New York Metropolitan Museum of Art has made accessible the following volume:
Benzel, Kim, Sarah B. Graff, Yelena Rakic, and Edith W. Watts, eds. Art of the Ancient near East: A Resource for Educators. New York: The Metropolitan Museum of Art, 2010.
It accessible as an e-book:
https://books.google.com/books?id=gBCHchG6qDAC&printsec=frontcover#v=onepage&q&f=false
or as a PDF:
http://resources.metmuseum.org/resources/metpublications/pdf/Art_of_the_Ancient_Near_East_A_Resource_for_Educators.pdf