000 00295nam a2200121Ia 4500
008 160710s1949 xx 000 0 und d
082 _a658.3 H 84 G
100 _aHOPPOCK,ROBERT
245 _aGROUP GUIDANCE
260 _bMCGRAW HILL BOOK COMPANY, INC.
_c1949
300 _a392
942 _2ddc
_cB
999 _c10881
_d10881