1. Questionable Value of Skin Testing as a Means of Establishing an Epidemiological Index of Tuberculous Infection;Lumsden;Am. J. Pub. Health,1939
2. Tuberculin Anergy in Cases With Pulmonary Calcifications;Crimm;Am. Rev. Tuberc.,1939
3. Purified Protein Derivative; Its Isolation From Old Tuberculin and Fractionization of the Residue;Seibert;Am. Rev. Tuberc.,1940
4. X-Ray Findings in Tuberculin Reactors and Non-Reactors;Douglas;Am. Rev. Tuberc.,1939
5. Tuberculin Anergy and the Variability of Tuberculins;Long;Am. Rev. Tuberc.,1939