„United States Commission on Security and Cooperation in Europe (CSCE). Testimony of William J. H. Hough, III, Esq. (Jan. 22 1991)“, „United Nations Commission on Human Rights (4th Session, Geneva, Switzerland 1991). Memorandum in Support of the Right of the Rep. of Estonia, Latvia, Lithuania to Self-Determination“, „National Minorities in Contemporary Estonia. Issues in Human and Ethnic Rights, June 1991“, ülevaated Imant Liegise, president Landsbergise jt kohtumistest Euroopa Liidu esindajatega
Date: 1991-01-01-1991-12-31