Packing industry pamphlets

Oscar G. Mayer, Armour and Company, Swift & Company, Alessandro Molinari, Institute of American Meat Packers, Livestock and Meat Council, Peter Franzen, Arthur Fisher, Lillian Crans, Hermann Tiefenbach, John Roberts, Minna Gill, United Packinghouse Workers of America. Research Department, United States. Bureau of Agricultural Economics. Division of Live Stock, Meats, and Wool, American Meat Institute, Grand Rapids Association of Commerce, Roy F. Hendrickson