@misc{10481/16990,
year = {1622},
url = {http://hdl.handle.net/10481/16990},
keywords = {Virgen María},
keywords = {Inmaculada Concepción},
keywords = {Correspondencia, memorias, etc.},
title = {[Carta del Papa Gregorio XV al Rey Felipe, 4-06-1622].},
author = {Gregorio XV, Papa, Santo, ca. 1554-1623 and Felipe IV, Rey de España, 1621-1665},
}