21. A consideration of the bacteria of surgical diseases Author(s): Ernst, Harold C. (Harold Clarence), 1856-1922, author Publication: [Philadelphia] : [publisher not identified], [1886] Subject(s): Bacteria -- pathogenicitySuppurationBacteriological Techniques
22. Rapid method of demonstrating tubercle bacilli in sputa Author(s): Kales, John D., author Publication: Chicago : Printed at the Office of the Journal of the Association, 1894 Subject(s): Mycobacterium tuberculosis -- isolation & purificationSputum -- chemistryBacteriological Techniques