000 00334nam a2200145Ia 4500
100 _aHarrison, Raymond H.
080 _a371.14/Har 
526 _dNTB
526 _aUG
942 _cBK
245 _aSupervisory leadership in education
260 _aVan nostrand reinhold company
_bNew York
_c1968
300 _aix,414
546 _aE
999 _c73531
_d73531