“The Steel Foundry,” J. H. Hall, McGraw-Hill Book Co., New York. “The Metallurgy of Steel,” H. M. Howe, The Scientific Publishing Co., New York. “The Manufacture and Properties of Iron and Steel,” H. H. Campbell, Hill Publishing Co., New York. “The Metallurgy of Iron and Steel,” B. Stoughton, McGraw-Hill Book Co., New York. “The Metallurgy of Steel,” Harbord and Hall, Charles Griffin & Co., Ltd., London. “Liquid Steel,” E. G. Carnegie, Longmans, Green & Co., London. “Krupp’s Steel Works,” F. C. G. Muller, Wm. Heinemann, London. “By Bread Alone” (a novel), I. K. Friedman, McClure, Phillips & Co., New York. CHAPTER I “The History of the Manufacture of Iron in All Ages,” James Swank, Am. Iron and Steel Assoc., Philadelphia, Pa. “The Materials of Engineering—Iron and Steel,” Robert Thurston, John Wiley & Son, New York. CHAPTER II “The Honorable Peter White,” R. D. Williams, Penton Publishing Co., Cleveland, O. “The Iron Ore Resources of the World,” International Geological Society, Stockholm, 1910. “The Story of Coal and Iron in Alabama,” Ethel Armes, Chamber of Commerce, Birmingham, Ala. CHAPTER III “Modern Coking Practice,” T. H. Byrom, C. Lockwood & Son, London. “Coal and Coke,” Frederick H. Wagner (1916), McGraw-Hill Book Co., New York. “Washing and Coking Tests of Coal,” A. W. Belden, G. R. Delamater, J. W. Groves, Bulletin 368, U. S. Geological Survey, 1909. “Washing and Coking Tests of Coal and Cupola Tests of Coke,” R. Moldenke, A. W. Belden, and G. R. Delamater, U. S. Fuel Testing Plant, St. Louis, Mo., U. S. Geological Survey, Bulletin 336, 1908. “Manufacture of Coke and Other Prepared Fuels and the Saving of By-Products,” John Fulton, 1905, International Text Book Co., Pittsburg, Pa. CHAPTER IV “The Blast Furnace and Manufacture of Pig Iron,” Robert Forsythe, D. Williams & Co., New York. “A Study of the Blast Furnace,” Harbison-Walker Refractories Co., Pittsburg, Pa. “The Principles of Manufacture of Iron and Steel,” Sir I. L. Bell, George Routledge & Son, London. CHAPTER VI “The Business Message of the Wrought Iron Bar,” Interstate Iron and Steel Co., Chicago. “The Control of Quality in Every Process,” A. M. Byers Co., Pittsburg, Pa. CHAPTER VII “The Cementation of Iron and Steel,” Gioletti, McGraw-Hill Book Co., New York. “The Fine Steel Industry,” J. A. Mathews, The Halcomb Steel Co., Syracuse, New York. CHAPTER VIII “Sir Henry Bessemer—An Autobiography,” Offices of Engineering, London.