Lowland maya civilization in the eighth century a.d. :  A symposium at dumbarton oaks, 7th and 8th october 1989 / 
Jeremy a. sabloff and John s. Henderson, ed. 
 - 482 páginas 
<br/><br/><label>ISBN: </label>0884022064 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mayas--Politica y gobierno--Congresos<br/>Mayas--Condiciones sociales--Congresos<br/>Mayas--Condiciones economicas--Congresos
<br/><br/><label>LC Class. No.: </label>F1435.3P7  / L69