^See Museum on 22 January 2019. Please see the history of that page for full attribution.
References
^Juan Gonzalez-Colon, President, Sociedad Guaynia de Arqueologia e Historia, Ponce, Puerto Rico. Luis M. Rodriguez-Morales, Certifying Official and State Historic Preservation Officer, State Historic Preservation Office, San Juan, Puerto Rico. 16 February 1978. In National Register of Historic Places Registration Form - Tibes Indigenous Ceremonial Center. United States Department of the Interior. National Park Service. (Washington, D.C.) Page 3. Listing Reference Number 78003381. 14 April 1978.
^R. E. Wycherley. Literary and Epigraphical Testimonia (Athenian Agora). American School of Classical Studies. 1957. p. 27.
^David Watkin. The Roman Forum. Cambridge, Massachusetts: Harvard University Press. 2009. ISBN9780674033412 p. 22. Accessed 6 March 2010.