1. Semigroups and their subsemigroup lattices

   • L. N. Shevrin
   • A. J. Ovsyannikov

   Survey Article Pages: 1 - 154

2. Semigroups of mappings on graphs

   • V. A. Molchanov

   Survey Article Pages: 155 - 199

3. Some embedding theorems in varieties of semigroups

   • A. N. Petrov

   Research Article Pages: 201 - 222

4. An embedding theorem for semigroups of continuous selfmaps

   • K. D. Magill Jr.

   Research Article Pages: 223 - 236

5. The fixed point conjecture and monoids on a manifold with boundary

   • B. Michael Castellano

   Research Article Pages: 237 - 245

6. Translational hulls and block designs

   • Stuart W. Margolis
   • Jeffrey H. Dinitz

   Research Article Pages: 247 - 263

7. Subdirect products of regular semigroups

   • K. S. S. Nambooripad
   • R. Veeramony

   Research Article Pages: 265 - 307

8. The varieties of n-testable semigroups

   • A. N. Trahtman

   Research Article Pages: 309 - 318

9. The least semilattice of groups congruence on a regular semigroup

   • D. R. LaTorre

   Research Article Pages: 319 - 329

10. Wreath products of ordered semigroups

    • Ulrich Knauer
    • Alexander Mikhalev

    Research Article Pages: 331 - 350

11. Standard completions for quasiordered sets

    • Marcel Erné
    • Gerhard Wilke

    Research Article Pages: 351 - 376

12. On the structure of monoids of admissible transplates of multivariate probability measures

    • John Yuan

    Research Article Pages: 377 - 386

13. The finite basis question for semigroups of order less than six

    • A. N. Trahtman

    Research Announcement Pages: 387 - 389

14. The least inverse and orthodox congruences on a completely regular semigroup

    • P. R. Jones

    Short Note Pages: 390 - 392