1. Protophrenia;Bourne;Lancet,1955
2. A note on speech retardation in mental deficiency;Brown;Ped.,1955
3. Adult Imbeciles: their abilities and trainability;Clarke;Lancet,1955
4. A study of the language of an autistic child;Cunningham;J. Child Psychol. Psychiat.,1961
5. A disorder theory of mental retardation;Davis;J. Ment. Sub.,1961