1. The lattice of semigroup varieties

   • Trevor Evans

   Survey Articles Pages: 1 - 43

2. Semilattices of bisimple inverse semigroups

   • H. R. Krishna Iyengar

   Research Announcements Pages: 44 - 48

3. On some classes of H-semigroups

   • Sister Mary
   • Joel Jordan

   Research Announcements Pages: 49 - 54

4. Baer extensions of rings and stone extensions of semigroups

   • Klaus Keimel

   Research Announcements Pages: 55 - 63

5. Sur les demi-groupes reticules et les o-demi-groupes

   • Thérèse Merlier

   Research Announcements Pages: 64 - 70

6. A note on the embedding of topological semigroups

   • N. A. Tserpes
   • A. Mukherjea

   Short Notes Pages: 71 - 75

7. A characterization of a free elementary inverse semigroup

   • H. E. Scheiblich

   Short Notes Pages: 76 - 79

8. Semilattices which are embeddable in a product of min intervals

   • J. W. Stepp

   Short Notes Pages: 80 - 82

9. On bands, free bands and identities

   • T. E. Hall

   Short Notes Pages: 83 - 84

10. Editors' note on research problem No. 7

    Short Notes Pages: 85 - 85

11. An analogue of Litoff's theorem

    • Otto Steinfeld

    Short Notes Pages: 86 - 88

12. A remark on intra-regular semigroups

    • Otto Steinfeld

    Short Notes Pages: 89 - 89

13. Any O-simple dual semigroup is completely O-simple

    • Štefan Schwarz

    Short Notes Pages: 90 - 92

14. Bibliographical Items

    Legacy Pages: 93 - 94

15. Perfect monoids

    • John R. Isbell

    Research Articles Pages: 95 - 118

16. A semigroup in function algebra

    • J. Schmidt

    Research Announcements Pages: 119 - 129

17. Commutative semigroups having greatest regular images

    • Tom Head

    Research Announcements Pages: 130 - 137

18. Theorie des classes dans un demi-groupe involutif

    • J. Chacron

    Research Announcements Pages: 138 - 153

19. O-simple strictly regular semigroups

    • Miyuki Yamada

    Research Announcements Pages: 154 - 161

20. The quasi-uniserial semigroups without zero, their arithmetics and their φ^*-algebras

    • Ernst A. Behrens

    Research Announcements Pages: 162 - 172

21. The semigroup of semigroup extensions

    • Ronald O. Fulp
    • J. W. Stepp

    Research Announcements Pages: 173 - 180

22. On commutative exclusive semigroups

    • Takayuki Tamura

    Short Note Pages: 181 - 187

23. Nebraska Mini-Symposium on Semigroups

    Announcement Pages: 188 - 188

24. Representations of semigroups by linear transformations

    • Donald B. McAlister

    Survey Article Pages: 189 - 263

25. On some classes of regular semigroups

    • K. S. Subramonian Namboodripad

    Research Announcements Pages: 264 - 270

26. Über den Untergruppenverband der Symmetrischen Gruppe, den Unterhalbgruppenverband der Symmetrischen Halbgruppe und den Unteralgebrenverband der Postschen Algebra

    • Rauf A. Bajramow

    Research Announcements Pages: 271 - 280

27. On Kim's conjecture

    • Kim Ki-Hang Butler

    Short Note Pages: 281 - 281

28. Bibliographical items

    Bibliographical Items Pages: 282 - 282

29. Representations of semigroups by linear transformations: Part II

    • Donald B. McAlister

    Survey Article Pages: 283 - 320

30. A generalization of the rees theorem to a class of regular semigroups

    • Dennis Allen Jr.

    Research Announcements Pages: 321 - 331

31. An embedding theorem for weakly inverse semigroups

    • M. R. Brown
    • D. W. Hardy
    • R. J. Painter

    Research Announcements Pages: 332 - 335

32. Extensions of ordered semigroups

    • Adam J. Hulin

    Research Announcements Pages: 336 - 342

33. A construction principle and compact clifford semigroups

    • Thomas T. Bowman

    Research Announcements Pages: 343 - 353

34. Semisimplicity and von Neumann's regularity

    • Jacqueline Klasa

    Research Announcements Pages: 354 - 361

35. Completely O-simple multiplicative ideals of rings

    • Laura Lawson

    Research Announcements Pages: 362 - 370

36. Characterization of bands satisfying no non-trivial identity

    • Charles Fennemore

    Research Announcements Pages: 371 - 375

37. Erratum to “automorphisms of polynomial semigroups”

    • Boris M. Schein

    Errata Pages: 376 - 376