Dorthea Seelye Franck, “Missionaries Send Bas-Reliefs to the United States,” in V.E. Crawford, P.O. Harper and H. Pittman, Assyrian Reliefs and Ivories in the Metropolitan Museum of Art: Palace Reliefs of Assurnasirpal II and Ivory Carvings from Nimrud (New York: The Metropolitan Museum of Art, 1980), p. 40.