1. Berk, H.: Pulp Capping. Re-evaluation of criteria based on clinical and histological findings. Internat. Dent. J., 13:577, December 1963.
2. The effect of calcium hydroxide methylcellulose paste on the dental pulp;Berk;J. Den. Children,1950
3. Preservation of the dental pulp in deep seated cavities;Berk;J.A.D.A.,1959
4. Berk, H., and Krakow, A.: Pulp protection and cementation in restorative dentistry. Alpha Omegan, September 1958.
5. Pulpdent liquid and Pulpdent paste (brand of calcium hydroxide methyl-cellulose paste);Council on Dental Therapeutics;J.A.D.A.,1955