00316nam a2200121Ia 4500008004100000082001300041100002900054245002900083260004700112300001100159942000700170999001700177190709s9999    xx            000 0 und d  a300 C25S  aCarpenter, Helen McCrack 0aSkills in social studies  aWashingtonbNational Council for thec1954  aiv,281  cBK  c39566d39567