Concerning the legal basis of the ownership of Chichen and other sites of patrimony, see Breglia (2006), in particular Chapter 3, "Chichen Itza, a Century of Privatization". Regarding ongoing conflicts over the ownership of Chichen Itza, see Castañeda (2005). Regarding purchase, see "Yucatán: paga gobierno 220 mdp por terrenos de Chichén Itzá," La Jornada, 30 March 2010, retrieved 30 March 2010 from jornada.unam.mx
Uuc Yabnal becomes Uc Abnal, meaning the "Seven Abnals" or "Seven Lines of Abnal" where Abnal is a family name, according to Ralph L. Roys (Roys 1967, p. 133n7). Roys, Ralph L. (trans.) (1967). The Book of Chilam Balam of Chumayel. Norman, OK: University of Oklahoma Press. OCLC224990.
Boot 2005, p. 37 Boot, Erik (2005). Continuity and Change in Text and Image at Chichen Itza, Yucatan, Mexico: A Study of the Inscriptions, Iconography, and Architecture at a Late Classic to Early Postclassic Maya Site. CNWS Publications no. 135. Leiden, The Netherlands: CNWS Publications. ISBN90-5789-100-X. OCLC60520421.
Luxton 1996, p. 141 Luxton, Richard N. (trans.) (1996). The book of Chumayel: the counsel book of the Yucatec Maya, 1539–1638. Walnut Creek, California: Aegean Park Press. ISBN0-89412-244-4. OCLC33849348.
Koch 2006, p. 19 Koch, Peter O. (2006). The Aztecs, the Conquistadors, and the Making of Mexican Culture. Jefferson, NC: McFarland & Co. ISBN0-7864-2252-1. OCLC61362780.
de Anda Alanís 2007 de Anda Alanís, Guillermo (2007). "Sacrifice and Ritual Body Mutilation in Postclassical Maya Society: Taphonomy of the Human Remains from Chichén Itzá's Cenote Sagrado". In Vera Tiesler; Andrea Cucina (eds.). New Perspectives on Human Sacrifice and Ritual Body Treatments in Ancient Maya Society. Interdisciplinary Contributions to Archaeology. Michael Jochim (series ed.). New York: Springer Verlag. pp. 190–208. ISBN978-0-387-48871-4. ISSN1568-2722. OCLC81452956.
Schmidt 2007, pp. 166–167 Schmidt, Peter J. (2007). "Birds, Ceramics, and Cacao: New Excavations at Chichén Itzá, Yucatan". In Jeff Karl Kowalski; Cynthia Kristan-Graham (eds.). Twin Tollans: Chichén Itzá, Tula, and the Epiclassic to Early Postclassic Mesoamerican World. Washington D.C.: Dumbarton Oaks Research Library & Collection: Distributed by Harvard University Press. ISBN978-0-88402-323-4. OCLC71243931.
Kowalski 1985, pp. 51–53 Kowalski, Jeff K. (1985). "Painted architecture in the Northern Maya Area". Painted Architecture and Polychrome Monumental Sculpture in Mesoamerica: A Symposium at Dumbarton Oaks, 10th to 11th October 1981. Jefferson, NC: Dumbarton Oaks Research Library and Collection. pp. 51–82. ISBN0-884-02142-4. OCLC611687168.
Phillips 2007, p. 264 Phillips, Charles (2007) [2006]. The Complete Illustrated History of the Aztecs & Maya: The definitive chronicle of the ancient peoples of Central America & Mexico - including the Aztec, Maya, Olmec, Mixtec, Toltec & Zapotec. London: Anness Publishing Ltd. ISBN978-1-84681-197-5. OCLC642211652.
Andrews 1961, pp. 28–31 Andrews, E. Wyllys IV (1961). "Excavations at the Gruta De Balankanche, 1959 (Appendix)". Preliminary Report on the 1959–60 Field Season National Geographic Society – Tulane University Dzibilchaltun Program: with grants in aid from National Science Foundation and American Philosophical Society. Middle American Research Institute Miscellaneous Series No 11. New Orleans: Middle American Research Institute, Tulane University. pp. 28–31. ISBN0-939238-66-7. OCLC5628735.
Andrews 1970 Andrews, E. Wyllys IV (1970). Balancanche: Throne of the Tiger Priest. Middle American Research Institute Publication No 32. New Orleans: Middle American Research Institute, Tulane University. ISBN0-939238-36-5. OCLC639140.