1. Balanced Incomplete Block Designs with Block Size 7

   • R. Julian R. Abel
   • Malcolm Greig

   OriginalPaper Pages: 5 - 30

2. Linearly Derived Steiner Triple Systems

   • E. F. Assmus Jr.

   OriginalPaper Pages: 31 - 49

3. Caps and Colouring Steiner Triple Systems

   • Aiden Bruen
   • Lucien Haddad
   • David Wehlau

   OriginalPaper Pages: 51 - 55

4. Characterizing the Hermitian and Ree Unitals on 28 Points

   • Gary McGuire
   • Vladimir D. Tonchev
   • Harold N. Ward

   OriginalPaper Pages: 57 - 61

5. A Number Theoretic Conjecture and the Existence of S–Cyclic Steiner Quadruple Systems

   • Helmut Siemon

   OriginalPaper Pages: 63 - 94