• publisher: Baltimore, The Johns Hopkins Press
  • creator: Spedden, Ernest R. (Ernest Radcliffe), b. 1881
  • Keyword: Labor unions.
  • years: 1910.
  • pages: vii, 9-100 p.
  • class: H31
  • notes: Issued also as thesis (Ph. D.) Johns Hopkins University.
  • download: pdf file