1. Hypothesis

   • Kirsten Fischer Lindahl

   BriefCommunication Pages: 1 - 4

2. Colinearity of novel genes in the class II regions of the MHC in mouse and human

   • Isabel M. Hanson
   • John Trowsdale

   Original Articles Pages: 5 - 11

3. Positive correlation between oligonucleotide typing and T-cell recognition of HLA-DP molecules

   • H. S. de Koster
   • M. J. H. Kenter
   • A. Termijtelen

   Original Articles Pages: 12 - 22

4. The role of C5 and T-cell receptor Vb genes in susceptibility to collagen-induced arthritis

   • Dominic G. Spinella
   • John R. Jeffers
   • John M. Stuart

   Original Articles Pages: 23 - 27

5. Developmental and tissue-specific expression of the Q5 ^k gene

   • Sabine Schwemmle
   • Dorian Bevec
   • Elisabeth H. Weiss

   Original Articles Pages: 28 - 38

6. Primary structure of the sheep T-cell receptor α chain

   • Wayne R. Hein
   • Anne Marcuz
   • Dario Grossberger

   Brief Communications Pages: 39 - 41

7. Isolation and properties of a Lyt-2.1-negative mutant of a Lyt-2.1/Lyt-2.2 CTL line

   • Zy-Ting E. Chu
   • John T. Kung
   • Paul D. Gottlieb

   Brief Communications Pages: 42 - 51

8. C4B gene polymorphisms among African and African-American HLA-Bw42-DRw18 haplotypes

   • Patricia A. Fraser
   • Zuheir L. Awdeh
   • Chester A. Alper

   Gene-antigen Register Pages: 52 - 56

9. Nonobese diabetic and nonobese nondiabetic mice have unique MHC class II haplotypes

   • Hans Acha-Orbea
   • Léonardo Scarpellino

   Gene-antigen Register Pages: 57 - 59

10. Nucleic acid sequences of the H-2K ^sand H-2K ^sm1genes

    • Kim J. Hasenkrug
    • Stanley G. Nathenson

    Gene-antigen Register Pages: 60 - 61

11. Manufacture of a functional cDNA for the H-2D^b molecule using a retroviral shuttle vector

    • Etienne Joly
    • Michael B. A. Oldstone

    Gene-antigen Register Pages: 62 - 65

12. Letter to the editor

    • G. Andersson
    • D. Larhammar

    Letter Pages: 66 - 67