1. On Priestley Spaces of Lattice-Ordered Algebraic Structures

   • Nestor G. Martínez
   • H. A. Priestley

   OriginalPaper Pages: 297 - 323

2. Proper and Unit Trapezoid Orders and Graphs

   • Kenneth P. Bogart
   • Rolf H. Möhring
   • Stephen P. Ryan

   OriginalPaper Pages: 325 - 340

3. Trapezoid Order Classification

   • Stephen P. Ryan

   OriginalPaper Pages: 341 - 354

4. On Equivalence Relations in Ordered Sets

   • Josef Niederle

   OriginalPaper Pages: 355 - 356

5. Sequences of Ordered Sets and Catalan Numbers

   • Mohammad Alzohairi

   OriginalPaper Pages: 357 - 363

6. Cube Orders

   • Peter Fishburn

   OriginalPaper Pages: 365 - 376

7. The Dimension of Interior Levels of the Boolean Lattice, II

   • A. V. Kostochka
   • L. A. Talysheva

   OriginalPaper Pages: 377 - 383

8. Note: Semi-Order Dimension Two is a Comparability Invariant

   • Stefan Felsner
   • Rolf H. Möhring

   OriginalPaper Pages: 385 - 390

9. Subject Index

   Subject Index Pages: 391 - 392

10. Contents of Volume 15

    Volume Contents Pages: 393 - 395