000			00361nam a2200121Ia 4500
100			_aHeck, Arch O
245			_aEducation of exceptional children : _bits challenge to teachers parents and layman /
250			_a2nd ed.
260			_c1953. _bMcGraw Hill,
490			_aMc Graw-Hill series in education ed by Harold Benjamin
650			_aEducation
942			_cGEN
999			_c47919 _d47919