Sorby Centennial Symposium on the History of Metallurgy Cleveland, Ohio, American Society for Metals, Society for the History of Technology, Metallurgical Society, Smith, C. S., & Sorby, H. C. (1965). The Sorby Centennial Symposium on the History of Metallurgy: Cleveland Ohio, Oct.22-23, 1963. Gordon and Breach Science Publishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sorby Centennial Symposium on the History of Metallurgy Cleveland, Ohio, American Society for Metals, Society for the History of Technology, Metallurgical Society, Cyril Stanley Smith, و Henry Clifton Sorby. The Sorby Centennial Symposium on the History of Metallurgy: Cleveland Ohio, Oct.22-23, 1963. New York: Gordon and Breach Science Publishers, 1965.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Sorby Centennial Symposium on the History of Metallurgy Cleveland, Ohio, et al. The Sorby Centennial Symposium on the History of Metallurgy: Cleveland Ohio, Oct.22-23, 1963. Gordon and Breach Science Publishers, 1965.