000 00249nam a22000977a 4500
082 _a331.88942
_bWIG.T
100 _aWigham, Eric L.
245 _aTrade unions /
_cby Eric L Wigham.
260 _aLondon :
_bOxford university press,
_c1956.
942 _cBK
999 _c494705
_d494705