L. Schele "Accession Iconography of Chan-Bahlum in the Group of the Cross at Palenque." In Art, Iconography & Dynastic History of Palenque, Part III, Proceedings of Segunda Mesa Redonda de Palenque; 1976: Fig. 10
Schele, Linda, and Peter Mathews. 1979. The bodega of Palenque, Chiapas, Mexico. Washington, D.C.: Dumbarton Oaks: No. 302