Title: Archivum secretum Vaticanum Reg. Vat
Description: Rendition in JPEG files of the Vatican registers of papal correspondence (Reg. Vat. 1-2020).  Each folio of each vol. is rendered in a single file for the purpose of easy examination.
Subjects: Correspondence, Sources, History, Catholic Church. Pope, Catholic Church, Popes, Catalogs, Archivio vaticano