Standard methods for the examination of water and sewage

by American Public Health Association. Laboratory Section; American Chemical Society; Association of Official Agricultural Chemists

[203]. Browne, W. W. A Comparative Study of the Smith Fermentation Tube and the Inverted Vial in the Determination of Sugar Fermentation. Amer. Jour. of Public Health, 3, 1913, 701.

[204]. Clark, W. M. An Hydrogen Electrode Vessel. Jour. Biol. Chem., 23, 1915, 475.

[205]. Clark, W. M. The “Reaction” of Bacteriological Culture Media. Jour. of Inf. Diseases, 17, 1915, 109.

[206]. Clark, W. M. The Final Hydrogen Ion Concentrations of Cultures of Bacillus Coli. Science, n. s. 42, 1915, 71.

[207]. Clark, W. M. and Lubs, H. A. Hydrogen Electrode Potentials of Phthalate, Phosphate, and Borate Buffer Mixtures. Jour. Biol. Chem., 25, 1916, 479.

[208]. Clark, W. M. and Lubs, H. A. The Differentiation of Bacteria of the Colon-Aërogenes Family by the Use of Indicators. Jour. of Inf. Diseases, 17, 1915, 160.

[209]. Endo, S. Ueber ein Verfahren zum Nachweis der Typhusbacillen Centbl. f. Bakt. Erste Abt., 35, 1903–4, 109.

[210]. Gillespie, L. J. The Reaction of Soil and Measurements of Hydrogen Ion Concentration. Jour. Wash. Acad. of Sciences, 6, 1916, 7.

[211]. Hill, H. W. Porous Tops for Petri Dishes. Jour. Med. Research, 13, 1904, 93.

[212]. Hill, H. W. The Mathematics of the Bacterial Count. Public Health Reports and Papers, 33, 1907, 110.