Correspondence (1984) on ICPHS activities and UNESCO meetings and projects. Files on the symposium Significance and Scope of Diderot and d'Alembert's Encyclopédie and the philosophy of the Enlightenment (23-26 October 1984, Paris)
Correspondence (1983) with CISS, ICOM, ICSU, World Federation of Scientific Workers, CIM, CIOMS, World Federation of Twinned Cities, NGO Standing Committee
Correspondence (1983) on ICPHS activities and UNESCO meetings and projects. Files on the symposia Transcultural universals (15-19 August 1983, Ottawa) and Language as an expression of cultural identity and as an instrument of communication between cultures (3-6 May 1983, Venice)
Correspondence (1982) with CISS, Confederation of International Scientific and Technological Organizations for Development, ICSU, Council on Archives, Standing Committee of NGOs
Correspondence (1981) with NGO Committee on Ageing, ICSU, Confederation of International Scientific and Technological Organizations for Development, CISS, CIM, NGO Standing Committee, Universala Esperanto Asocio, International Committee for Fair Play, European science foundation, CICT, World Association for the School as an Instrument of Peace, League of Red Cross Societies, World Federation of Twinned Cities-United Cities, French National Assembly
Correspondence (1981) on ICPHS activities and UNESCO meetings and projects. File on the commission for the new edition of the Cultural and Scientific History of Humanity (1981-1983)
Correspondence (1980) with ISCU, ICOM, CIM, Union of International Associations, Universala Esperanto Asocio, CISS, International Federation for Home Economics, World Federation of United Nations Associations, World Federation of the Deaf, World Federation of Scientific Workers, Standing Committee of NGOs
Correspondence (1979) with World Association of Children's Friends, Union of International Associations, International Organisation for the Elimination of All Forms of Racial Discrimination, ICSU, International Union of Family Organizations, Baha'i International Community, ICOM, Informatics for the Third World, CISS, National Social Science Councils, CICT, CIM, International Association of Universities, International Federation of Teachers' Unions, Standing Committee of NGOs
Correspondence (1978) with CIM, ICSU, International Catholic Centre for UNESCO, World Federation of Scientific Workers, African Mathematical Union, National Social Science Councils, Standing Committee of NGOs
Correspondence (1978) on ICPHS activities and UNESCO meetings and projects. Files on collaborative meetings (The Slave Trade, 31 January-4 February 1978, Port-au-Prince; Mediterranean Islands, Places of Synthesis of Arab and European Cultures, 11-14 September 1978, Malta; Round Table on the occasion of the 23rd centenary of the death of Aristotle, 1-3 June 1978, Paris) and the 20th General Conference (1978)
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
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 (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) on ICPHS activities and UNESCO meetings and projects. Correspondence files on the 1976 General Conference and National Commissions (1976-1978)
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
