00601nam a2200217Ia 450000500170000000800410001704000190005804100120007708200160008910000190010524500530012425000120017726000340018930000170022344000480024050400230028865000140031165100270032570000210035285000100037320240203093819.0131103s9999    xx            000 0 und d  aLoreto College  aEnglish  a370.15bCRO  aCrow,Lester D.  aMental Hygiene,   cLester D.Crow and Alice Crow  a2nd ed.  aNew YorkbMcGrow - Hillc1951  axiii,433 p.   aMcGraw - Hill Series In Series In Education  aIncludes education  aEducation  aEducational Psychology  aCrow,Alice,auth.  aLCLIB