The Archivio Apostolico Vaticano, known as the Archivio Segreto Vaticano until 2019 and not to be confused with the Biblioteca apostolica vaticana, is the central archives of the Holy See and contains the historical archives of different private and public institutions sent to them because of their effective scope or because intentionally decided by the producer of the document. The various archives make up the over six hundred fonds of the Archivio Apostolico Vaticano and can be grouped into the following categories:
Offices of the Curia; Papal Diplomatic; Families and Individuals; Councils and Synods; Religious Institutes and Orders and Archconfraternities; and Miscellaneous Collections
The Meridian Hall, The Tower of the Winds
Secret Archives, Vatican
Letter from the Cardinals to Pope Celestino V, dated 11 July 1294
Vatican Archives