00495nam a2200145Ia 450000500170000000800460001703700120006304000210007504100130009608400230010924500940013224500520022626000600027830000110033820250508153424.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDL bengcFEDL  aeng2eng  a371.912, UNIqFEDL 0aChildren with speech and hearaing impairment : Preparing to work with them in the schools 0cU S Department of Health, Education and Welfare  aWashington, USAbU.S. Government Printing Office c1959  avi,32p