1. On the Existence of Two Forms of Diphtheria Bacillus—B. Diphtheriæ Gravis and B. Diphtheriæ Mitis—and a New Medium for their Differentiation and for the Bacteriological Diagnosis of Diphtheria;Anderson J. S.;The Journal of Pathology and Bacteriology,1931
2. American Public Health Association: “Diagnostic Procedures and Reagents” 1945 page270.
3. The Use of Blood Agar for the Identification of the Types of C. Diphtheriæ;Goldsworthy N. E.;The Journal of Pathology and Bacteriology,1939
4. The Isolation and Typing of C. Diphtheriæ on Tellurite Blood Agar;Glass V.;The Journal of Pathology and Bac‐teriology,1937
5. A Preliminary Survey of the Types of Corynebacterium Diphtheriæ Isolated at the Metropolitan Infectious Diseases Hospital, Northfield;Puckey M. C.;The Medical Journal of Australia,1938