000 00291nam a22001217a 4500
082 _a301.44044
245 _aSocial mobility :
_cedited by A. P. M. Coxon
260 _aMiddlesex:
_bPenguin book,
_cc1975
300 _a384p.;
500 _aincludes index
700 _aC. L. Jones
942 _cBK01
999 _c4799
_d4799