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First, Second, Third and Fifth: Acquired prior to 1978; Fourth and Sixth: William Mayer Collection. C.T. Loo, New York. Frank Caro, New York, 1960.
Bunker, Emma C.; Kawami, Trudy S.; with Linduff, Katheryn M.; Ancient Bronzes of the Eastern Eurasian Steppes from the Arthur M. Sackler Collections. The Arthur M. Sackler Foundation, New York, 1997; Second; cat. no. 49, illustrated; Third: cat. no. 30, illustrated; Fourth: cat. co. 42; Sixth: cat. co. 24, illustrated.
Fourth: Gimbutas, Maria; Bronze Age Culture in Central and Eastern Europe. Mouton and Co., Paris, The Hague and London, 1965; pl. 17b.
Fifth: Drew, Isabella Milling; Laboratory Examination of Knives in the Sackler Collection. Sackler Laboratory, Columbia University, New York, 1971 (unpublished manuscript); no. O-911.