1. Significance of hydrogen-ion concentration in drinking water, and particularly for the business of water supply;Massink;This Journal,1921
2. The action of water on lead;Liverseege;Jour. Soc. Chem. Ind.,1920
3. Weston , R. S. Plumbo-solvency N. E. Water Works Ass'n 1920
4. The action of water on lead;Thresh;Analyst,1921
5. De-gassing and purification of boiler feed-water;Kestner;Jour. Soc. Chem. Ind.,1921