000 00244nam a2200097 4500
245 _aEconomics of labour
_cRichard A. Lester
100 _aLester, Richard A.
260 _aNew York
_bMacmillan
_c1941
300 _axv,913p.; 21cm.
082 _a331
_bLES
999 _c32949
_d32949