1. The production of ammonia and carbon dioxide by streptococci;Ru PP, PHILIP, AND MUDGE, COURTLAND S;Jour. Inf. Dis.,1921
2. The use of agar slants in detecting fermentation;Co NN, H. J., AND HUCKER, G. J.;Jour. Bact.,1920
3. Sur une reaction coloree del'ammoniaque;HomAs P.;Bull. Soc. Chemique. Ser.,1912