RG25, Volume number: 4602, File number: 50048-AL-40, File part: 1, File title: Security Arrangements at the Office of the Permanent Representative to the European Center of the United Nations Organization - Geneva - General file, Date: 1948-1957, Item ID number: 1841876 RG25, numéro de volume : 4602, numéro de dossier : 50048-AL-40, partie de dossier : 1, titre du dossier : « Security Arrangements at the Office of the Permanent Representative to the European Center of the United Nations Organization - Geneva - General file », date : 1948-1957, numéro d'identification : 1841876