@misc{10481/16919,
year = {1620},
url = {http://hdl.handle.net/10481/16919},
keywords = {Virgen María},
keywords = {Inmaculada Concepción},
keywords = {Correspondencia, memorias, etc.},
title = {[Sobre el decreto de Gregorio XV].},
author = {Gregorio XV, Papa, Santo, ca. 1554-1623},
}