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* {{Cite book|ref=harv|last=McColl |first=R. W. |title=Encyclopedia of World Geography |year=2005|publisher=Facts On File |location=New York |isbn=978-0-8160-5786-3 |pages=1002-1003}}
* Juan Luis Pena Chapa, Manuel Martin Castillo, and Juan Carlos Gonzalez Avila, ''The Performance of the Economy of the Yucatan Peninsula from 1970–1993'' [https://web.archive.org/web/20110913084622/http://www.iiasa.ac.at/Publications/Documents/RR-00-014.pdf]
* Marcio L. Teixeira,''The Impact of the Geologic History of the Yucatán Peninsula on the Present Day Aquifer'',2004 [http://marciot.freeshell.org/essays/documents/MeridaUrbanPlanning.pdf]
* Angelo Heilprin,''Observations on the Flora of Northern Yucatan'' [https://www.jstor.org/stable/10.2307/982931]