12 December 1983 Intergovernmental Committee of the Universal Copyright Convention as Revised at Paris on 24 July 1971; 5th session; Geneva; 1983. International Union for the Protection of Literary and Artistic Works. Executive Committee; 22nd session; Paris; 1983
28 June 1982 Committee of Governmental Experts on the intellectual property aspects of the protection of expressions of Folklore
30 November 1981 International Union for the Protection of Literary and Artistic Works. Executive Committee; 19th session; Geneva; 1981. Intergovernmental Committee of the Universal Copyright Convention as Revised at Paris on 24 July 1971; 4th session; Geneva; 1981
7 January 1980 Working Group on the Intellectual Property Aspects of Folklore Protection, Geneva, 7-9 January 1980
5 February 1979 Intergovernmental Committee of the Universal Copyright Convention as Revised at Paris on 24 July 1971; 3rd session, 1st pt; Geneva; 1979; International Union for the Protection of Literary and Artistic Works. Executive Committee; 5th extraordinary session; Geneva; 1979
10 December 1975 Intergovernmental Committee of the Universal Copyright Convention as Revised at Paris on 24 July 1971; 1st extraordinary session; Geneva; 1975
