000 00257nam a2200109Ia 4500
008 160710s1940 xx 000 0 und d
100 _aWALLIS,W.D.AND OTHERS
245 _aOUR SOCIAL WORLD
260 _bMC GRAW HILL
_c1940
300 _a402
942 _2ddc
_cB
999 _c11884
_d11884