1. Endodontics;Healey,1960
2. Discussion of the Pulpless Tooth as a Bridge Abutment;Amsterdam,1963
3. Oral Histology and Embryology;Orban,1944
4. Bone as a Tissue;Rodahl,1960
5. Correlation of Chemical and Histological Investigations on Developing Enamel;Weinmann;J. Dent. Res,1942