1. Editorial foreword

   • Dennis H. Rouvray

   EditorialNotes Pages: i - i

2. A review and examination of the mathematical spaces underlying molecular similarity analysis

   • M. A. Johnson

   Review Pages: 117 - 145

3. Characteristic polynomials of spirographs

   • K. Balasubramanian

   Papers Pages: 147 - 159

4. Two metrics for a graph-theoretical model of organic chemistry

   • V. Kvasničk
   • A. J. Pospíchal

   Papers Pages: 161 - 191

5. Embedding frequencies of trees

   • R. D. Poshusta
   • M. C. McHughes

   Papers Pages: 193 - 215

6. Symmetry and other properties of second-order phenomenological coefficients and thier significance in a chemical system

   • A. K. Das Gupta
   • C. Dutta

   Notes Pages: 217 - 226

7. Reduced cycle indices and their applications in enumeration of NMR signals and equivalence classes

   • K. Balasubramanian

   Notes Pages: 227 - 232