History of labour in the United States, by John R. Commons, David J. Saposs, Helen L. Sumner, E. B. Mittelman, H. E. Hoagland, John B. Andrews, Selig Perlman; with an introductory note by Henry W. Farnam ... (Contributions to American economic history, v.4)
History of labour in the United States, by John R. Commons, David J. Saposs, Helen L. Sumner, E. B. Mittelman, H. E. Hoagland, John B. Andrews, Selig Perlman; with an introductory note by Henry W. Farnam ...