This symposium report contains various statements of the theory of change and societal growth and maintenance viewed from the perspectives of major social disciplines. Comparative theories in these areas can provide guidelines for predicting, planning, and carrying out social development programs. The theme of the symposium was the problem of linking and reconciling the various theories within the context of an open general systems theory. The following papers are included: 1) Toward a General Theory of Directed Value Accumulation and Institutional Development, Harold D. Lasswell and Allan R. Holmberg; 2) Toward a Theory of Power and Political Structure, Karl W. Deutsch; 3) Wealth and the Economy, Everett E. Hagen; 4) Health and Well-Being Values in the Perspective of Sociocultural Change, Charles C. Hughes; 5) Social Change Skills and Creativity, Morris D. Stein; 6) Enlightenment and Communication, Daniel Lerner; 7) General Equilibrium Model of the Social System, Walter Isard and C. Peter Rydell; 8) Applying Behavioral Science for Organizational Change, Warren G. Bennis and Hollis W. Peter; 9) Institution Building in National Development, Milton J. Esman and Fred C. Bruhns. Each paper is discussed by the authors, discussants and observers. Includes a bibliography, glossary, and author biographies. (DJB)