Correspondence (1969) with the French National Commission, documents on the meeting organised by the French National Commission in the framework of the international study on current trends in research in the field of social and human sciences (17 March 1969, Paris)
Correspondence (1970) with Union of International Associations, World Federation of United Nations Associations, ICSU, ICOM, CISS, Standing Committee of NGOs
Correspondence (1971) with Union of International Associations, World Federation of United Nations Associations, ICSU, ICOM, CISS, Standing Committee of NGOs, CIM
Correspondence (1972) with Union of International Associations, ICSU, ICOM, CISS, Standing Committee of NGOs, International Union of Architects, CIM, CIOMS, International Catholic Centre for UNESCO
Correspondence (1973) with Union of International Associations, ICSU, ICOM, CISS, Standing Committee of NGOs, Coordinating Committee for International Voluntary Service, CIM
Correspondence (1975) with CISS, African Society of Culture, World Federation of Twinned Cities, Union of International Associations, CIM, International Catholic Centre for UNESCO, International Peace Bureau, Standing Committee of NGOs
Correspondence (1976) on ICPHS activities and UNESCO meetings and projects. Correspondence files on the 1976 General Conference and National Commissions (1976-1978)
Correspondence (1976) with International Federation for Home Economics, ICSU, CISS, International Council for Physical Education and Sport, CIM, International Council on Archives, International Catholic Centre for UNESCO, World Information Centre for Dual Language Education, AIAP, Standing Committee of NGOs
Correspondence (1976) with J.E. Wiredu and the Ghana Publishing Corporation for the publication of the proceedings of the colloquium on the Place and Role of Humanities in Africa (January 1973, Dakar)
Correspondence (1977) with CICT, World Federation of Twinned Cities, ICOM, International Catholic Centre for UNESCO, International Association for Physical Education and Sport, CIOMS, AIAP, CISS, CIM, Standing Committee of NGOs