1. Important announcement

   Announcement Pages: 1 - 1

2. Subtypes of autism by cluster analysis

   • Linda C. Eaves
   • Helena H. Ho
   • David M. Eaves

   OriginalPaper Pages: 3 - 22

3. An examination of the validity of social subtypes in Autism

   • M. Christopher Borden
   • Thomas H. Ollendick

   OriginalPaper Pages: 23 - 37

4. Acquisition, maintenance, and generalization of a categorization strategy by children with Autism

   • Marjorie A. Bock

   OriginalPaper Pages: 39 - 51

5. Performance of autistic and control subjects on three cognitive perspective-taking tasks

   • Taffy Reed

   OriginalPaper Pages: 53 - 66

6. Self-injury in Lesch-Nyhan disease

   • Lowell T. Anderson
   • Monique Ernst

   OriginalPaper Pages: 67 - 81

7. Comparison of psychotic and autistic children using behavioral observation

   • Mary Matese
   • Johnny L. Matson
   • Jay Sevin

   OriginalPaper Pages: 83 - 94

8. Brief report: A case of schizophrenia in a population with down syndrome

   • Beverly A. Myers
   • Siegfried M. Pueschel

   Brief Reports Pages: 95 - 98

9. Brief report: Preferential looking in intermodal perception by children with autism

   • Arlene S. Walker-Andrews
   • Jeannette M. Haviland
   • Lisa Toci

   Brief Reports Pages: 99 - 107

10. The effect of informational counseling on the stress level of parents of children with autism in Turkey

    • Neslihan Kuloglu-Aksaz

    Letter to the Editor Pages: 109 - 110

11. Acknowledgment

    Acknowledgments Pages: 111 - 112

12. Announcements

    Announcement Pages: 113 - 114