Series TR-BOA/DH-ŞFR - Classified Correspondence Office

Global extent: 90065 files; 267 selected and described items (420 in the xls inventory)

This series includes correspondence from the Confidential Correspondence Office of the Ministry of Interior (Dahiliye Nezareti Şifre Kalemi), which conducted the communication of the units of the Ministry with the other provinces and lieutenant governors and, when necessary, acted as an intermediary agent where the quick and secret communications of the other ministries and state offices were enciphered.
The starting and ending Hijri dates for this series are 1332-1340.