The Nuttall Encyclopedia
A town in the State of Chiapas, Mexico, discovered in 1760, buried under a dense forest with extensive structures in ruins.
Wood, James, ed. Entry for 'Palenque'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/p/palenque.html. Frederick Warne & Co Ltd. London. 1900.