1. Source of Jadeite in America;Anonyme.;El Palacio,1927
2. A note on Jadeite from Manzanal, Guatemala;Barbour;Amer. Antiqu.,1957
3. Notas sobre los yacimientos de albita y jadeita de San Cristobal Acasaguastlán, Guatemala;Becquelin;Estud. Cultur. Maya,1973
4. Non-destructive pigment analysis of artefacts by Raman microscopy
5. Geology of the San Agustin Acasaguastlan Quadrangle and Northeastern part of El Progresso Quadrangle, Guatemala;Bosc,1971