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. 42, cat. 226.
Graham, Mark Miller 2003 Creation Imagery in the Goldwork of Costa Rica, Panama and Colombia. In Gold and Power in Ancient Costa Rica, Panama, and Colombia: A Symposium at Dumbarton Oaks, 9 and 10 October 1999, Jeffrey Quilter and John W. Hoopes, eds., pp. 279-299. Dumbarton Oaks Research Library and Collections, Washington, D.C. p. 281, fig. 2.
Von Winning, Hasso and Alfred Stendahl 1968 Pre-Columbian Art of Mexico and Central America. H.N. Abrams, New York. pl. 566.
Lothrop, Samuel K. 1963 Archaeology of the Diquís Delta, Costa Rica. Papers of the Peabody Museum of Archaeology and Ethnology, Harvard University 51. Peabody Museum, Cambridge, Mass.
"Indigenous Art of the Americas", National Gallery of Art, Washington DC, February 1958 to July 1962.
Purchased from Earl Stendahl, Los Angeles (dealer), by Robert Woods Bliss, August 14, 1956.
Robert Woods Bliss Collection of Pre-Columbian Art, Washington, DC, 1956-1962.
Dumbarton Oaks Research Library and Collection, Pre-Columbian Collection, Washington, DC.