1. Caries research;Bagnall,1950
2. Survey of the literature of dental caries, 1948–1960;Brislin,1964
3. Scoring dental caries;Van Reen,1968
4. Dental research in microbiology with emphasis on periodontal disease;Genco;JADA,1969
5. Research in dental caries;Keyes;JADA,1968