Piedras Negras

part of:

• Maya civilization

  Sources: Historical Implications of a Pattern of Dates at Piedras Negras, Guatemala

Appears in1 item

• 
  The History of Writing1 item
  • Proskouriakoff reads Maya historyApr 1960

Sources

1. ArticleHistorical Implications of a Pattern of Dates at Piedras Negras, Guatemala