00397nam a2200145Ia 450000500170000000800460001703700120006304000200007504100130009508400220010810000180013024500430014826000460019130000140023720250508151838.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDLbengcFEDL  aeng2eng  a372.83, OTTqFEDL  aOtto Henry J. 0aSocial education in elementary schools  aNew York, USAbRinehart and Companyc1956  axii,493p.