Schele, Linda, and David A. Freidel. 1990. A Forest of Kings: The Untold Story of the Ancient Maya. New York: William Morrow and Company, Inc.: 333, Fig. 8: 19
Altar U (CPN 34) Top. Erected by Yax Pasaj Chan Yoaat.
See also SD1022, SD1024, SD1025, SD1026, SD1099. Corrected version of earlier drawing, redrawn from casts in British Museum of Man.