000			00280nam a2200121Ia 4500
100			_aPoster, C. D.Poster, C. D.
942			_cBK
654			_a
245			_aSchool And The Community
260			_aLondon _bMacmillan Publishing Company _c1971
082			_a370.193
300			_a126
999			_c419888 _d419888
041			_aeng