1. Essential variables in hypersubstitutions

   • K. Denecke
   • J. Koppitz

   Pages: 443 - 454

2. Axiomatizing complex algebras by games

   • Ian Hodkinson
   • Szabolcs Mikulás
   • Yde Venema

   Pages: 455 - 478

3. Jónsson's theorem in non-modular varieties

   • William H. Rowan

   Pages: 479 - 485

4. Cayley-like representations are for all algebras, not merely groups

   • Arthur Knoebel

   Pages: 487 - 497

5. On single laws for varieties of groupoids associated with strongly 2-perfect m-cycle systems

   • Abdollah Khodkar
   • Sarah Zahrai

   Pages: 499 - 513

6. Congruence-preserving subdirect products

   • Harry Lakser

   Pages: 515 - 529

7. Locally finite varieties

   • Guram Bezhanishvili

   Pages: 531 - 548