000 002940000a22001210004500
245 _aTrends in collective bargaining
100 _aWilliamson, S.T.
100 _aHarris, H.
260 _aNew York
_bThe Twentieth Century Fund
_c1945
080 _a331.116
_bW5
041 _aEN
942 _cBK
999 _c53731
_d53731