1. Chlorine and the Ortho-tolidine Test in the Presence of Nitrite;Hulbert;Jour. A.W.W.A.,1934
2. Effect of Iron in the Determination of Residual Chlorine;Scott;Jour. A.W.W.A.,1934
3. Eliminating False Chlorine Tests;Scott;Jour. A.W.W.A.,1934
4. Ortho-tolidine Test for Chlorine;Adams;Jour. A.W.W.A.,1933
5. Evaluation of Residual Chlorine;Griffin;Jour. A.W.W.A.,1935