1. Categorical quasivarieties revisited

   • Ralph Mckenzie

   OriginalPaper Pages: 273 - 303

2. Generalized absorption laws in bisemilattices

   • J. Gałuszka

   OriginalPaper Pages: 304 - 318

3. Topological implications inn-permutable varieties

   • H. Peter Gumm

   OriginalPaper Pages: 319 - 321

4. Catalytic distributive lattices and compact zero-dimensional topological lattices

   • H. A. Priestley

   OriginalPaper Pages: 322 - 329

5. Almost universal varieties of monoids

   • V. Koubek
   • J. Sichler

   OriginalPaper Pages: 330 - 334

6. Addendum à “Elements de la théorie des catégories polyadiques”

   • V. V. Topentcharov

   OriginalPaper Pages: 335 - 336

7. A Mal'cev condition for congruence principal permutable varieties

   • Ivan Chajda

   OriginalPaper Pages: 337 - 340

8. Representations of lattices via neutral elements

   • N. R. Reilly

   OriginalPaper Pages: 341 - 354

9. Geometric exchange properties in lattices of finite length

   • Ulrich Faigle
   • Gerd Richter
   • Manfred Stern

   OriginalPaper Pages: 355 - 365

10. Automorphisms and products of ordered sets

    • Dwight Duffus

    OriginalPaper Pages: 366 - 369

11. Some considerations concerning the presentations of universal algebras

    • Jan Gałuszka

    OriginalPaper Pages: 370 - 376

12. The number of finitely generated infinite cylindric set algebras of dimension two

    • Jean A. Larson

    OriginalPaper Pages: 377 - 396

13. On defining “completely distributive”

    • W. R. Tunnicliffe

    OriginalPaper Pages: 397 - 398

14. Filtered and stable boolean powers are relativized full boolean powers

    • Hugo Volger

    OriginalPaper Pages: 399 - 402