1. Obituary: Evelyn M. Nelson

   Announcement Pages: 221 - 223

2. Interval orders and circle orders

   • P. C. Fishburn

   OriginalPaper Pages: 225 - 234

3. A short proof that N ³ is not a circle containment order

   • Glenn H. Hurlbert

   OriginalPaper Pages: 235 - 237

4. Asymptotic enumeration of two-dimensional posets

   • M. El-Zahar
   • N. W. Sauer

   OriginalPaper Pages: 239 - 244

5. Decompositions of partially ordered sets into chains and antichains of given size

   • Yair Caro
   • Zsolt Tuza

   OriginalPaper Pages: 245 - 255

6. The number of linear extensions of bipartite graphs

   • Grzegorz Stachowiak

   OriginalPaper Pages: 257 - 259

7. Normal subgroups and elementary theories of lattice-ordered groups

   • Manfred Droste

   OriginalPaper Pages: 261 - 273

8. Cancellation and absorption of lexicographic powers of totally ordered Abelian groups

   • Michèle Giraudet

   OriginalPaper Pages: 275 - 287

9. Maximal chains and cutsets of an ordered set: A menger type approach

   • J. -M. Brochet
   • M. Pouzet

   OriginalPaper Pages: 289 - 304

10. The Menger property for infinite ordered sets

    • R. Aharoni
    • J. -M. Brochet
    • M. Pouzet

    OriginalPaper Pages: 305 - 315

11. Unsolved problems

    BriefCommunication Pages: 317 - 317

12. Books in review

    • Klaus Keimel

    BookReview Pages: 319 - 321

13. Publisher's announcements

    Announcement Pages: i - i