1. Endodontics 1776–1976: a bicentennial history against the background of general dentistry;Grossman;JADA,1976
2. The practice of endodontics: past, present, and future;Ostrander;J Dent Edue,1967
3. Endodontics: a peep into the past and the future;Grossman;Oral Surg,1974
4. Where are we and where are we going?;Freedland;J Endod,1976
5. The dependence of the results of pulp therapy on certain factors;Strindberg;Acta Odontol Scand,1956