00558cam a2200181u  45000010008000000030008000080050017000160080041000330400031000740820015001051000030001202450081001502500012002312600043002433000026002866500036003126500028003486417431BD-DhUL20161116130652.0830623s1933    enk           000 0 eng    aDLCcBD-DhULdDLCdBD-DhUL  a136.7bISS1 aIsaacs, Susand1885-1948.10aSocial development in young children :ba study of beginings /cSusan Isaacs  a7th ed.  aLondon :bG. Routledge & sons, c1952.  axii, 480 p. ;c22 cm. 0aChild study. [from old catalog] 0aEducational psychology.