David A. Freidel, "Polychrome Facades of the Lowland Maya Preclassic" Linda Schele, "Color on Classic Architecture and Monumental Sculpture of the Southern Maya Lowlands" Jeff Karl Kowalski, "Painted Architecture in the Northern Maya Area" John Paddock, "Painted Architecture and Sculpture in Ancient Oaxaca" Ellen Taylor Baird, "Naturalistic and Symbolic Color at Tula, Hidalgo" H. B. Nicholson, "Polychrome on Aztec Sculpture" Elizabeth H. Boone, "The Color of Mesoamerican Architecture and Sculpture"