@Misc{BDCM20214464535, title = "[Carta] 1911 mar. 6, a Juan P\'{e}rez de Guzm\'{a}n [Manuscrito]", author = "Valdivia, Dolores, fl. 1911", publisher = "Ronda", URL = "https://bibliotecavirtualmadrid.comunidad.madrid/bvmadrid_publicacion/es/consulta/registro.do?id=486211", year = "1911", }