000 00382cam a22001097a 4500
008 180718b1963 xxu||||| |||| 00| 0 eng d
100 _aHill, Wilhelmina
245 _aUnit Planning and teaching in elementary social studies
_cby Wilhelmina Hill
260 _aWashington
_bGoverment Printing Office
_c1963
300 _a82p.
700 _aU.S.A. Department of Health, Education and Welfare
999 _c494603
_d494603