A history of trade unionism in the United States / by Selig Perlman ... Perlman, Selig, 1888-1959. Labor unions United States History. HD6508 .P4 331.881 PEH "Part I ... is based on the History of labour in the United States by Commons and Associates ..."--Pref. Bibliography: p. 307-308. New York : The Macmillan Company, 1922. 1922. 1922 Text viii, 313 p. : eng Social science text-books Social science text-books. United States