1. The Best Form and Arrangement of Artificial Teeth for Mastication;Balkwill;Brit. J. D. Sc.,1866
2. The Problem of Articulation;Gysi;D. Cosmos,1910
3. The Problem of Articulation;Gysi;D. Cosmos,1910
4. The Problem of Articulation;Gysi;D. Cosmos,1910
5. The Problem of Articulation;Gysi;D. Cosmos,1910