Peter Franzen, Minna Gill, Lillian Crans, Arthur Fisher, Alessandro Molinari, John Roberts, Hermann Tiefenbach, Oscar G. Mayer, Roy F. Hendrickson, Swift & Company, Grand Rapids Association of Commerce, Armour and Company, Institute of American Meat Packers, United States. Bureau of Agricultural Economics. Division of Live Stock, Meats, and Wool, Livestock and Meat Council, American Meat Institute, United Packinghouse Workers of America. Research Department · First published 1874
