1. Editorial

   • George Grätzer

   EditorialNotes Pages: I - I

2. On the structure of varieties with equationally definable principal congruences IV

   • W. J. Blok
   • Don Pigozzi

   OriginalPaper Pages: 1 - 35

3. Tensor products of contexts and complete lattices

   • Marcel Erné

   OriginalPaper Pages: 36 - 65

4. Small non-Arguesian lattices

   • Alan Day
   • Christian Herrmann
   • Doug Pickering

   OriginalPaper Pages: 66 - 94

5. Efficient solution of the word problem in slim varieties

   • John Pedersen

   OriginalPaper Pages: 95 - 103

6. On braid words and irreflexivity

   • David M. Larue

   OriginalPaper Pages: 104 - 112

7. Semigroups obeying the term condition

   • R. J. Warne

   OriginalPaper Pages: 113 - 123

8. Subdirectly irreduciblen-quasilattices

   • R. Padmanabhan
   • P. Penner

   OriginalPaper Pages: 124 - 134

9. Projective algebras

   • Miroslav Ploščica

   OriginalPaper Pages: 135 - 146

10. The lattice of ideals of a polynomial semiring

    • Francisco Alarcón
    • D. D. Anderson

    OriginalPaper Pages: 147 - 149