1. De Van MM. Application of the embrasure saddle clasp in partial denture design. Presented at: Chicago Dental Society Midwinter Meeting; February 1936; Chicago.
2. An altered cast procedure to improve tissue support for removable partial dentures;Leupold;J Prosthet Dent,1965
3. The cast saddle partial denture;Applegate;JADA,1937
4. Clasp partial dentures;Steffel;JADA,1963
5. Evolution of removable partial denture design;Becker;J Prosthodont,1994