1. In striving to better, we often mar that which is well;Editorial. J.A.D.A.,1957
2. Exposed pulps. Illinois State Dental Society Transactions;Black,1870
3. Conservation of the dental pulp;Callahan;D. Register,1888
4. Histologic investigation upon the action of arsenious acid on the nerve fibers of the pulp and the dentinal tissues;Bodecker;Indep. Pract. Dental,1883
5. Contribution to the histology of the dental pulp and periodontal membrane with special reference to the cells of defense of these tissues;Orban;J.A.D.A.,1929