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2. Robert C. Stanley, The Story of Nickel (Copper Cliff, Ontario, Canada: The International Nickel Company of Canada, Ltd., August 1, 1932).
3. Alexander P. More, The Chemistry Leaflet, VI (28) (30 March 1933).
4. J.F. Mason, Jr., Cerrosion, 4 (7) (1948).
5. Francis L. LaQue. Sixty Years and a Billion Pounds (Huntington, WV: Huntington Alloys Product Division, The International Nickel Company, Inc., October 1965).