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 (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 (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 (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 (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 (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 (1982) with CISS, Confederation of International Scientific and Technological Organizations for Development, ICSU, Council on Archives, Standing Committee of NGOs
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 (1983) with CISS, ICOM, ICSU, World Federation of Scientific Workers, CIM, CIOMS, World Federation of Twinned Cities, NGO Standing Committee
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 (1984) with ICSU, Union of International Associations, International Association of Universities, International Federation for Home Economics, International Association of Literary Critics, ICOM, NGO Standing Committee, World Confederation of Organizations of the Teaching Profession
Correspondence (1985) with CICT, Coordinating Committee for International Voluntary Service, ITI, ICSU, UOIF, Standing Committee of NGOs, Union of International Associations, IFSSO, ICOM, CISS, International Association of Legal Sciences
Correspondence (1986) with ICSU, NGO Standing Committee, ICOM, Union of International Associations, CISS, International Dance Council, CIM, International Catholic Centre for UNESCO, International Society for Educations Through Art
Correspondence (1987) with ICSU, NGO Standing Committee, World Federation of UNESCO Clubs and Associations, AAAST, ITI, AIAP, International Catholic Centre for UNESCO
