1. The Tubercle;William,1931
2. Tuberculin in the Diagnosis and Treatment of Tuberculosis;Camac Wilkinson B.A. (Syd.), M.D. (Lond.), F.R.C.P.,1912
3. The Lancet;Clarke,1907
4. Tuberculin in the Diagnosis and Treatment of Tuberculosis;Camac Wilkinson,1912