Here are entered works about the proceedings of conferences or congresses. Texts of the proceedings of conferences or congresses are entered under the appropriate subject heading with the subdivision Congresses.
1
Your entry Convention Providing a Uniform Law on the Form of an International Will (1973) would be here
-- Search as Words
--subdivision Treaties under ethnic groups and individual wars, e.g. Indians--Treaties; World War, 1939-1945--Treaties; also subdivision Foreign relations--Treaties under names of countries, etc.; and names of individual treaties