Visit to Juba, Southern Sudan, 18-21 March, 1975 : report to Courtney A. Nelson in Beirut

Housing and Immigration: a summary of the Dutch experience. Paper prepared for workshop convened by the Rowntree Foundation on Race and Housing in Britain 4-5 April 1991, York University

War, Displacement, Social change and the Re-creation of community: an exploratory study in Zambezia, Mozambique. Preliminary report of a field study in Milange District March-April 1991

Training techniques of non-professionals in the framework of a preventive and primary care program in mental health : a Nicaraguayan experience

Speech on behalf of the International Commission of Jurists on the occasion of the international day for the elimination of racial discrimination, 21 Mar 1991, Palais des Nations, Geneva