1. The Porcelain Fused to Metal Restoration;Mumford;D. Clin. North America,1965
2. How to Utilize Porcelain Fused to Gold as a Crown and Bridge Material;Hoffman;D. Clin. North America,1965
3. Heat Treatment of Alloys to be Used for the Fused Porcelain Technique;O'Brien;J. Pros. Dent.,1964
4. Leinfelder, K. F., O'Brien, W. J., Ryge, G., and Fairhurst, C. W.: Hardening of High-Fusing Gold Alloys. Submitted for publication in J. D. Res.
5. A Study of the Brinell Hardness of Metals Used in Conjunction With the Porcelain Fused to Metal Technique;Thin,1962