Site code XTH given by Corpus of Maya Hieroglyphic Inscriptions (1999:187-189; 2012; 2016); cited by Riese (2004).
Location unverified.

Corpus of Maya Hieroglyphic Inscriptions (CMHI)
1999 Corpus of Maya Hieroglyphic Inscriptions. Volume 6, Part 3: Tonina (by Ian Graham and Peter Mathews). Cambridge, Massachusetts: Peabody Museum of Archaeology and Ethnology, Harvard University.
2012 Site Codes (updated July 2012). http://peabody.harvard.edu/files/cmhi/CMHI_SiteCodes_FINAL_2012_forWeb.pdf (by Barbara Fash). (accessed July 23, 2015)
2016 Site Codes (updated Februar 2016). https://www.peabody.harvard.edu/files/cmhi/CMHI_SiteCodes_FINAL_2016.pdf (by Barbara Fash). (accessed December 23, 2016)
Miller, Virginia E.
2001 La escultura en el área norte maya durante el Clásico terminal; del reino al multepal. In Yucatán a través de los siglos: memorias del simposio del 49 Congreso Internacional Americanistas, Quito, Ecuador, 1997, edited by Ruth Gubler and Patricia Martel, pp. 77–94. Universidad Autónoma de Yucatán, Yucatán.
Riese, Berthold
2004 Abkürzungen für Maya-Ruinenorte mit Inschriften. Wayeb Notes 8. http://www.wayeb.org/notes/wayeb_notes0008.pdf (accessed July 23, 2015)