Conflict Resolution and World Education (World Academy of Art and Science)
Toward a Peacemakers Academy A Proposal for a First Step Toward a United Nations Transnational Peacemaking Force
The World Religions Speak on ”The Relevance of Religion in the Modern World”
Strategy of Therapy: Toward the Engineering of Social Growth
Economy and Society in the Transformation of the World
Libraries in the World A Long-Term Programme for the International Federation of Library Associations
Moderne Kunst und Sichtbare Welt (Verständliche Wissenschaft) (German Edition)
The Population Crisis and the Use of World Resources (The Universal Reference System, 2)
Sociologist Abroad
World Court Digest Formerly Fontes Iuris Gentium