1. Hem , J. D. Coprecipitation Effects of Solutions Containing Ferrous, Ferric, and Cupric Ions USGS Wtr. Supply Paper 1495-E 1960
2. Hem , J. D. Study and Interpretation of the Chemical Characteristics of Natural Water USGS Wtr. Supply Paper 1473 1959
3. Ground Water Studies in Northeastern Massachusetts;Brashears;J. NEWWA,1944
4. Studies on the Removal of Iron and Manganese from Water;Moore;J. NEWWA,1942
5. Ground Water in the Preglacial Buried Valleys of Massachusetts;Crosby;J. NEWWA,1939