1. Editorial

   • Robert L. Flood

   EditorialNotes Pages: 129 - 132

2. Levels of corporate development

   • Russell L. Ackoff

   OriginalPaper Pages: 133 - 136

3. Systems thinking, systems practice, and practical philosophy: A program of research

   • Werner Ulrich

   Papers Pages: 137 - 163

4. General systems: A basis for knowledge engineering

   • Robert A. Orchard
   • Miriam R. Tausner

   Papers Pages: 165 - 179

5. Cooperation, power, and the impact of information systems

   • F. A. Stowell
   • G. A. Allen

   Papers Pages: 181 - 192

6. Systems inquiry in education

   • Bela H. Banathy

   Papers Pages: 193 - 212

7. Book reviews

   • R. Espejo
   • R. K. Ellis
   • M. Pidd

   BookReview Pages: 213 - 224

8. Books received

   Legacy Pages: 224 - 225

9. News

   News Pages: 227 - 231