VPRS 4653 Register of Inward 'Secret' Correspondence

This series is a register of secret inward correspondence received by the agency and controls VPRS 4652 Registered Inward Secret Correspondence. Some items of secret registered inward correspondence are to be found in VPRS 3841 Registered and Unregistered Inward and Outward Secret Correspondence.本档案系列系该机构所接收秘密收进信函的登记簿，同时管控VPRS 4652《已登记秘密收进信函》档案。部分已登记秘密收进信函条目可于VPRS 3841《已登记与未登记内外秘密信函》档案中寻获。