1. Colorimetric determination of reaction of bacteriologic mediums and other fluids;Jour. Am. Med. Assn.,1918
2. The colorimetric determination of hydrogen-ion concentration and its applications in bacteriology;Be H. A.;Jour. Bact.,1917
3. Jour;Committee of American Bacteriologists Report;Bact.,1919
4. Bull;Johns Hopkins Hospital,1916
5. Ztschr;Electrochem.,1904