Social Cognation Nr.1.2.3.4 1991

Social Development Nr.1 1998

Exceptional Children Nr.3 1988

Exceptional Children Nr.3.4.6 1989

Exceptional Children Nr.2.4.5.6 1990

Exceptional Children Nr.1.2.3.5.6 1991

Exceptional Children Nr.3.4 1992

Exceptional Children Nr.1.2.3.4.6 1993

Exceptional Children Nr.1.2.3.4.5.6 1994

Exceptional Children Nr.3.4.5 1995

The Acquistion of Language Nr.92 1964

The Development of Socal Attachments in Infancy Nr.94 1964