UNESCO contract "History and Human Rights" (1986-1988): correspondence with authors and UNESCO . Constitution of a list of specialists, correspondence with the authors of the texts, first version of the essays. Programme of the international conference on The anthropological, social and legal bases of human rights (9-12 December 1987)
UNESCO contract for an Anthology of Peace (contract 216.662 of 19 October 1976). Report by Jean Guitton and Bernard Billaud, plan by P. Bosc, working documents
UNESCO contract for a study on the theme "Brancusi: a classicism of exoticism": contract 640292 of 3 February 1982, correspondence on its cancellation (1983)
UNESCO contract (592.029, 30 August 1977) ICPHS-ICOM for a study on the current practice and policy of archaeological excavations and the problems of conservation of cultural objects found: correspondence (1977-1979), reports
UNESCO CISS-IPHSC contract for a Report on Concepts and Criteria for the Advancement of Social Sciences (contract 271434, 8 November 1976): correspondence, contract, report