1. Pott, P.: “Chirurgical Observations,“ London, 1775. Pp. 63–68.
2. “Die Bergkrankheit der Erzbergleute im Schneeberg im Sachsen (‘Schneeberger Lungenkrebs’),“;Rostoski;Ztschr. f. Krebsforsch,1926
3. “Cancer of the Lung in the Miners of Jachymov (Joachimsthal),“;Pirchan;Am. J. of Cancer,1932
4. Vital Statistics of the United StatesU. S. Department of Health, Education and Welfare, Public Health Service31950National Office of Vital Statistics63