1. The viability and virulence of old cultures of tubercle bacilli: studies on twelve-year broth cultures maintained at incubator temperature;Corper;Amer. Rev. Tuberc.,1933
2. A note on the preservation of acid-fast bacteria;Harris;J. Lab. and Clin. Med.,1933
3. Preservation of mycobacteria by desiccation in vacuo;Frobisher;Amer. Rev. Tuberc.,1949
4. Preservation of tubercle baccilli;Cohn;Amer. Rev. Tuberc.,1939
5. The virulence of tubercle bacilli and the fallacy of assuming the grade of virulence from arbitrary designations;Corper;Amer. Jour. Clin. Pathol.,1943