1. CUMMER, W. E. 1916 Partial dentures. Journal of the Allied Dental Societies, xi, p. 386.
2. 1922 An outline of the theory and practice of partial denture service. Journal of the American Dental Associatian, ix, p. 735.
3. ESSIG, NORMAN 1918 Movable clasps. Dental Items of Interest, xl, p. 211.
4. GETZ, F. R. 1916 The use of clasp and lug attachments for short bridges and partial dentures, and methods of making lugs. Dental Cosmos, Iviii, p. 484.
5. GOSLEE, HART J. 1918 Clasped partial dentures vs bridge work. Dental Items of Interest, xl, p. 191.