1. Silicosis and Silico-tuberculosis, a Clinical, Roentgenological, and Pathological Study of the Lungs of Five Patients;Spector;Southern Med. Jour.,1936
2. Russell, A. E.; Britten, R. H.; Thompson, L. R., and Bloomfield, J. J.: The Health of Workers in Dusty Trades. Public Health Bulletin, 187, p. 86.
3. Silicosis: Some Differential Diagnostic Problems;Mayer;Transactions National Tuberculosis Association,1935
4. Silicon Dioxide Content of Lungs in Health and Disease;McNally;Jour. A. M. A.,1933
5. Roentgenological Appearances in Silicosis and the Underlying Pathological Lesions;Pancoast;Public Health Reports,1935