00461nam a2200157Ia 450000500170000000800460001703700120006304000200007504100130009508400230010810000170013124500650014826000560021330000130026965000210028220250508150244.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDLbengcFEDL  aeng2eng  a155.413, ISAqFEDL  aIsaacs Susan 0aSocial development in young children : A study of beginnings  aLondon, UKbGeorge Roultedge and Sons Limitedc1946  aix,480p.  aChild Psychology