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037 _aBooks to be hide in OPAC
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a373, UNI/O
_qFEDL
100 _aSegel David
_9758514
245 0 _aRetention in high schools in large cities
245 0 _cU S Department of Health, Education and Welfare
300 _a29p.
700 _a Schwarm Oscar J
_9764105
942 _cHB
_h373, UNI/O
999 _c1343136
_d1343136