1. Histopathological Investigation of the Dental Granuloma;Freeman;J. Dent. Res,1931
2. Recent Studies Relating to Periapical Infection, Including Data Obtained From Human Necropsy Studies;Burket;J. Am. Dent. Assoc,1938
3. Bone Infection;Fish;J. Am. Dent. Assoc,1939
4. Histopathology of the Teeth and Their Surrounding Structures;Kronfeld,1939
5. An Investigation Into Residual Periapical Infection After Pulp Canal Therapy;Hedman;Oral Surg,1951