TY - BOOK ID - 136200073 TI - Earnings and hours in the leather and leather belting and packing industries, 1939 PY - 1941 PB - Washington : United States Government Printing Office, DB - UniCat KW - Hours of labor KW - Wages KW - Labor. KW - Leather workers UR - https://www.unicat.be/uniCat?func=search&query=sysid:136200073 AB - ER -