00692mam a2200229   45000010008000000030008000080050017000160080041000330100017000740350023000910400017001140430012001310500022001430820016001651000024001812450084002052500013002892600032003023000044003345040051003786500033004291739378BD-DhUL20160515165908.0740313s1945    nyu      b    001 0 eng u  a   45008574   a(OCoLC)ocm00829567  cMDYdBD-DhUL  an-us---0 aHD6508b.P42 194500a331.88bPEA1 aPeterson, Florence,10aAmerican labor unions :bwhat they are and how they work. /cFlorence Peterson,  a[3d ed.]  aNew York :bHarper,cc1945.  axiii, 338 p. :bill., diagrs. ;c22 cm.  aIncludes index and bibliographycal  references 0aLabor unionszUnited States.