1. Kronfeld’s Histopathology of the teeth and their surrounding structures;Boy’e,1949
2. Electron microscopy of carious enamel and dentine;Scott;Oral Surg., Oral Med. & Oral Path.,1954
3. Lacto bacilli versus streptococci in etiology of dental caries;Harrison;J.A.D.A.,1948
4. Proportional distribution of different types of streptococci in saliva and plaque material;Krasse;Odont.Revy.,1953
5. Use of germ free animal technic in study of experimental dental caries. I. Basic observations on rats reared free of all microorganisms;Orland;J. D. Res.,1954