1. A new classification of human tooth forms; with special reference to a new system of artifical teeth;Williams;Dent Dig,1914
2. Selecting the anterior tooth mold;Young;J Prosthet Dent,1954
3. Is the theory of temperaments the foundation of the study of prosthetic art?;Berry;Dent Mag,1905
4. Form and color harmony in the dental art;House;Whittier,1939
5. A clinical evaluation of techniques to determine the combined width of the maxillary anterior teeth and the maxillary central incisor;Scandrett;J Prosthet Dent,1982