Acknowledgments

From American Optical Company, Southbiidge, Massachusetts: Annual Report for 1951. From American Petroleum Institute, New York City: Quarterly, Winter, 1951-52, Spring, Summer, Autumn, 1952; American Petroleum Institute Directory, 1952; Proceedings, Thirty-first Annual Meeting: Section I, General Sessions; Section II, Marketing; Section V, Transportation; Proceedings, Seventeenth Midyear Meeting, Division of Refining, Refining; American Petroleum Institute—What it is, What it does; Security for our Oil Age. From Davison Publishing Company, Ridge wood, New Jersey: Davison's Rayon and Silk Trades, 1952; Davison's Textile Blue Book, July, 1952. From Georgia Historical Society, Savannah: The Georgia Historical Quarterly, currently. From Historical Society of Western Pennsylvania, Pittsburgh: Western Pennsylvania Historical Magazine, currently. From National Archives, Washington, D. C : National Archives Accessions, No. 47, No. 49; Annual Report on the National Archives and Records Service, June SO, 1951; Preliminary Inventories, Nos. 41, 42, 43. From National Provisioner, Chicago, Illinois: The National Provisioner, weekly issues and convention issues: The "Significant Sixty"—A Historical Report on the Progress and Development of the Meat Packing Industry, 1891-1951. From Oregon Historical Society, Portland: Oregon Historical Quarterly currently. From Philosophical Society of Texas, Dallas: Proceedings, for 1951. From Rhode Island Historical Society, Providence: Rhode Island History, currently. From Southern Pine Association, New Orleans, Louisiana: Weekly Trade Barometer and Supplement, currently. From State Historical Society of Missouri, Columbia: Missouri Historical Review, quarterly. From State Street Trust Company, Boston, Massachusetts: Yankee Ship Sailing Cards, Vol. 3.