00966nam0-22002771i-450-990003008670403321000300867FED01000300867(Aleph)000300867FED0100030086720000920d1958----km-y0itay50------baENGIT<<The >>American labor forceits growth and changing compositionby Gertrude Bancroft for the Social Science Research Council in cooperation with U.S. Dept. of Commerce, Bureau of the CensusNew YorkJohn Wiley & SonsLondonChapman & Hall1958xiv, 256 p.ill.24 cmCensus monograph seriesBancroft,Gertrude118714Social Science Research Council<Gran Bretagna>ITUNINARICAUNIMARCBK990003008670403321F/1.221 BAR015280SESSESAmerican labor force468173UNINA