TY - BOOK AU - Leiter,Robert David TI - Labor economics and industrial relations AV - HD8072HD8072 .L365 1962.R743 U1 - 331.880973 PY - 1952/// KW - Labor and laboring classes KW - United States KW - Labor unions N1 - First published in 1952 under title: Labor problems and trade unionism; Includes bibliography ER -