1. Anthracosilicosis Simulating Pulmonary Carcinoma;Bradshaw;Am. Rev. Tuberc.,1939
2. Pathology and Roentgenographic Manifestations in Pneumoconiosis;Gardner;J. A. M. A.,1940
3. Gardner, Leroy U.: Personal communication, Nov. 17, 1944.
4. Anthracosis Pulmonum, Lungentumor Vortauschend;Gut;Beitr. z. Klin. d. Tuberk.,1935
5. Carcinoma of the Lung Simulating Inflammatory Disease;Holman;J. A. M. A.,1939