00389nam a2200145Ia 450000500170000000800460001703700290006304000200009204100130011208400230012510000140014824500250016226000460018730000100023320250508161357.0008  250505s9999    xx            000 0 eng d  aBooks to be hide in OPAC  aFEDLbengcFEDL  aeng2eng  a021.2, RAL/OqFEDL  aRalph R G 0aLibrary in education  aLondon, UKbTurnstile Press Limitedc1949  a144p.