Correspondence (1959) with CLIO, NGO conference (Geneva, 22 June 1959), Union of International Associations, CIM, International Commission for a History of the Scientific and Cultural Development of Humanity, CISS
Correspondence (1961) with ICSU, CISS, International Association of Universities, ITI, CICT, Congress of International Congress Organisers and Technicians, Inter-Agency Liaison Committee, CIOMS, Conference of International NGOs in Consultative Arrangements with UNESCO
Correspondence (1962) with NGO Standing Committee, Inter-Union Commission on Science Education, CISS, Union of International Associations, ITI, NGO conference with ECOSOC arrangements, CIM, Glass Committee
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 (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 (1988) with Union of International Associations, CIM, CISS, International Association of Universities, International Catholic Centre for UNESCO, CICT, AIAP, ICSU, Standing Committee of NGOs. Report on the 21st NGO conference (13-17 June 1988), on the seminar on relations between UNESCO and NGOs (12-14 April 1988)
Project "Fascism" (1949-1959). Report of the Commission of Experts on Nazism and Fascism (15-18 November 1949, Monaco), minutes, correspondence, list of experts, report of the Commission of the Standing Committee for the Study of the Origins of Fascism and National Socialism (established by resolution 4.33 of the UNESCO General Conference in Beirut in 1948)