Language, communication, and the use of symbols in normal and autistic children Derek M. RicksLorna Wing Articles Pages: 191 - 221
Changing diagnosis of childhood psychosis Leonard R. PiggottClyde B. Simson Articles Pages: 239 - 245
Intrafamilial incidence of autism, cerebral palsy, and mongolism Haruhiko AndoKatsuya Tsuda Articles Pages: 267 - 274