Paperback 2011* PAPAC, "Proyecto Arqueologico para la Planificacion de la Antigua Copan" (Copan Urban Planning Project), academic-sponsored project for preservation and documentation of the site
Paperback 2011* PAPAC, "Proyecto Arqueologico para la Planificacion de la Antigua Copan" (Copan Urban Planning Project), academic-sponsored project for preservation and documentation of the site* Andrews, E. Wyllys, Ed.