Benson, Elizabeth P. 1963 Handbook of the Robert Woods Bliss Collection of Pre-Columbian Art. Dumbarton Oaks, Trustees for Harvard University, Washington, D.C., p. 74, cat. 422.
Boone, Elizabeth Hill (ED.) 1996 Andean Art at Dumbarton Oaks. Pre-Columbian Art at Dumbarton Oaks; No. 1. Dumbarton Oaks Research Library and Collection, Washington, D.C. vol. 1, p. 312-3, pl. 91.
Howard, Cecil 1968 Pizarro and the Conquest of Peru. 1st ed. A Horizon Caravel Book. American Heritage Pub. Co., New York. p. 64.
Quilter, Jeffrey 2005 Treasures of the Andes: The Glories of Inca and Pre-Columbian South America. Duncan Baird, London.
"Machu Picchu: Unveiling the Mystery of the Incas", Denver Museum of Nature and Science, Denver, CO, 2/13 - 5/9/2004; Houston Museum of Natural Science, Houston, TX, 6/18 - 8/29/2004; The Field Museum, Chicago, IL, 10/15/2004 - 2/13/2005, Gilcrease Museum, Tulsa, OK, 3/1 - 7/10/2005; Peabody Museum of Natural History, New Haven, CT, 9/10/2005 - 8/27/2006.
"Animal Bronzes: From the Collection of Mildred and Robert Woods Bliss", Dumbarton Oaks, Washington DC, 2012.
Gift to Dumbarton Oaks by Samuel K. Lothrop, 1962
Dumbarton Oaks Research Library and Collection, Pre-Columbian Collection, Washington, DC.