000 00430nam a2200145 a 4500
041 _aeng
082 _a304
_bG45s621
100 _aGillin, John Lewis
245 _aSocial problemas
250 _a3rd. ed
260 _aNew York
_bD. Appeton-Century Campany
_c1943
300 _a528 p
942 _cBK
999 _c840
_d840