1. Tecumseh community health study. University of Michigan. Unpublished records.
2. Prevalence and severity of periodontal disease in a sample of a population;Jamison,1960
3. Indices for prevalence and incidence of periodontal disease;Ramfjord;J. Periodont.,1959
4. Gingival pocket; anatomy, pathology, deepening, and elimination;Waerhaug;Odont. Tskr.,1952
5. Effects of acute febrile diseases on the periodontium of Rhesus monkeys with reference to poliomyelitis;Ramfjord;J. D. Res.,1951