- 1955 - ?
Part of 02 - NATO Secretary General
Originally this series covered various types of correspondence, from private letters to memoranda addressed to delegations or to other NATO bodies. In the early 1970's a new series (SG) was created to cover personal communications by the Secretary General, and it was decided that PO memoranda would be used for formal documents addressed to Permanent Representatives for information or decision regarding the work of the Council. P...
Private Office of the Secretary General