Title: CIA, Memorandum, ZIPPER’s CE Organization and Operations, March 30, 1955, Secret - U.S. Officials Only, NARA.
Date in Source: March 30, 1955
Subject: Germany - German intelligence services - Gehlen Org - Espionage - Counterintelligence - Intelligence liaison - Foreign intelligence services
Format: 24 p.
Note: Secret / US Eyes only