M. Wolf

Application of operant conditioning procedures to the behavior problems of an autistic child: a follow-up and extension.

F. R. Harris, T. Risley, M. Wolf, 1967, Behaviour research and therapy.

Application of operant conditioning procedures to the behaviour problems of an autistic child

Hayden L. Mees, T. Risley, M. Wolf, 1963 .

Establishing functional speech in echolalic children.

T. Risley, M. Wolf, Montrose M. Wolf, 1967, Behaviour research and therapy.