1. J. H. L.Cumpston: “Tuberculosis in Australia” The Medical Journal of Australia August 8 1931 page153.
2. M. J. Holmes Commonwealth Department of Health 2
3. RobertPhillip: “The Outlook on Tuberculosis” The British Medical Journal January 10 1931 page43.
4. J. W. S.Blacklock: “Tuberculous Disease in Children” Medical Research Council Special Report Series No. 172 1932.
5. L.Aschoff:“Lectures in Pathology” page37.