1. Forward: A volume dedicated to Bjarni Jónsson on the occasion of his seventieth birthday

   Editorial Pages: 301 - 305

2. Bjarni Jónsson's contributions in algebra

   • Kirby A. Baker

   OriginalPaper Pages: 306 - 336

3. A perspective on algebraic representations of lattices

   • William A. Lampe

   OriginalPaper Pages: 337 - 364

4. A geometric description of modular lattices

   • Christian Herrmann
   • Douglas Pickering
   • Michael Roddy

   OriginalPaper Pages: 365 - 396

5. Congruence normality: The characterization of the doubling class of convex sets

   • Alan Day

   OriginalPaper Pages: 397 - 406

6. Appendix addendum to ‘Congruence Normality’ of Alan Day

   • J. B. Nation

   OriginalPaper Pages: 407 - 410

7. The Jónsson symposium problem sessions

   OriginalPaper Pages: 411 - 415

8. Directions in lattice theory

   • Ralph Freese

   OriginalPaper Pages: 416 - 429

9. Jónsson's contributions to lattice theory

   • J. B. Nation

   OriginalPaper Pages: 430 - 445

10. On the representation of distributive semilattices

    • Michael Tischendorf

    OriginalPaper Pages: 446 - 455

11. A perspective on the theory of relation algebras

    • Roger D. Maddux

    OriginalPaper Pages: 456 - 465