1. Editorial

   • P. J. Stoward

   EditorialNotes Pages: 611 - 611

2. Identification of viruses

   • P. S. Gardner

   Papers Pages: 613 - 619

3. Immunohistochemical differentiation between histiocytic and lymphoid neoplasms

   • P. G. Isaacson
   • D. B. Jones

   Papers Pages: 621 - 635

4. Methods for decreasing interstitial immunoglobulin in tissue slices and cryostat sections

   • R. A. Warnke
   • J. Bindl
   • R. Doggett

   Papers Pages: 637 - 644

5. An assessment of the value of epithelial membrane antigen and other epithelial markers in solving diagnostic problems in tumour histopathology

   • J. P. Sloane
   • F. Hughes
   • M. G. Ormerod

   Papers Pages: 645 - 654

6. Evaluation of tissue preparation methods and paired immunofluorescence staining for immunocytochemistry of lymphomas

   • P. Brandtzaeg
   • T. O. Rognum

   Papers Pages: 655 - 689

7. Antibodies to intermediate filament proteins in the immunohistochemical identification of human tumours: an overview

   • F. C. S. Ramaekers
   • J. J. G. Puts
   • G. P. Vooijs

   Papers Pages: 691 - 713

8. Demonstration of non-specific esterase activity in normal and neoplastic mouse Leydig cells

   • Vera Schnelle
   • Robert Madden
   • Abraham Rivenson

   Short Communication Pages: 715 - 719