1. A characterization of dual semigroups without nilpotent ideals

   • O. Steinfeld

   Research Article Pages: 1 - 5

2. A note on a problem of hua

   • C. M. Reis
   • H. J. Shyr

   Research Article Pages: 7 - 13

3. On general linear semigroups

   • Ki Hang Kim
   • Fred W. Roush

   Research Article Pages: 15 - 27

4. On generating regular elements in the semigroup of binary relations

   • Ki Hang Kim
   • Fred W. Roush

   Research Article Pages: 29 - 32

5. Compact orbit-decomposition acts

   • Russell Remage

   Research Article Pages: 33 - 40

6. Completely O-simple semigroups and their associated graphs and groups

   • C. H. Houghton

   Research Article Pages: 41 - 67

7. Die halbgruppen der ordnungen ⩽ 7

   • H. Jürgensen
   • P. Wick
   • Vorgelegt von Št. Schwarz

   Research Article Pages: 69 - 79

8. Semilattices of groups with distributive congruence lattice

   • J. B. Fountain
   • P. Lockley

   Research Article Pages: 81 - 91

9. An algebraic characterization of multiplicative semigroups of real valued functions

   • Tom R. Head

   Short Note Pages: 93 - 94

10. Addendum to a survey of semigroups of continuous selfmaps

    • L. M. Gluskin
    • B. M. Schein
    • I. S. Yaroker

    Survey Article Pages: 95 - 123

11. Errata to a survey of semigroups of continuous selfmaps

    Erratum Pages: 124 - 125

12. The greatest idempotent separating congruence on an ℒ-unipotent semigroup

    • Constance C. Edwards

    Research Article Pages: 127 - 135

13. Semigroups with an idempotent power I word problems

    • J. A. Gerhard

    Research Article Pages: 137 - 141

14. The groupoid of varieties of idempotent semigroups

    • E. V. Sukhanov

    Research Article Pages: 143 - 159

15. Epimorphisms of inverse semigroups of homeomorphisms between closed subsets

    • Bridget B. Baird

    Research Article Pages: 161 - 166

16. Roots of increasing sequences

    • H. L. Howard

    Research Article Pages: 167 - 173

17. Congruence relations on left canonic semigroups

    • Richard W. Yoh

    Research Article Pages: 175 - 183

18. Announcement

    Announcement Pages: 185 - 188

19. Cancellative simple semigroups and groups

    • P. G. Trotter

    Research Article Pages: 189 - 198

20. Notes on compact semigroups with identity

    • Wolfgang Ruppert

    Research Article Pages: 199 - 234

21. Embedding semirings by translational hulls

    • H. J. Weinert
    • R. D. Griepentrog

    Research Article Pages: 235 - 246

22. Embedding semigroups in semibands

    • Francis Pastijn

    Research Article Pages: 247 - 263

23. The kernel of the determining endomorphism of a bisimple ω-semigroup

    • Annie Alexander Selden

    Research Article Pages: 265 - 271

24. The Brauer group of integral semigroup rings

    • F. R. De Meyer
    • D. B. McAlister

    Research Announcement Pages: 273 - 275

25. ℳℒ-Semigroups

    • T. E. Hays

    Research Announcement Pages: 277 - 282

26. η-simple reflective semigroups

    • G. Thierrin
    • G. Thomas

    Research Article Pages: 283 - 294

27. Presentations et presentations simplifiables d'un monoïde simplifiable

    • J. C. Spehner

    Research Article Pages: 295 - 329

28. Existence of joins and meets in the partially ordered family of CM-homomorphisms

    • David I. Adu

    Research Article Pages: 331 - 353

29. Ideal compactifications in uniquely divisible semigroups

    • K. H. Jónsdóttir

    Research Article Pages: 355 - 374

30. Semigroups with an idempotent power II the lattice of equational subclasses of [(xy)² = xy]

    • J. A. Gerhard

    Research Article Pages: 375 - 388