Plant resources of the ancient Maya: the paleoethnobotanical evidence / David L. Lentz -- Classification of useful plants by the Northern Petén Maya (Itzaj) / Scott Atran -- Continuity and variability ...
https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!898867~!0#focus ...