000 00283nam a2200121Ia 4500
008 220201s1972 xx 000 0 eng d
082 _bSHE
100 _aShelton, Herbert M
245 0 _aHygienic system
260 _bShelton Health School Tex
_c1972
300 _a352
942 _2ddc
999 _c24103
_d24103