1. Studies on the Washing of Rapid Filters;Hulbert;Jour. A. W. W. A.,1929
2. Sand-Bed Studies at Montebello Water Filters, Baltimore;Baylis;Engineering News-Record,1924
3. The Rapid Sand Filter Bed;Baylis;Water Works and Sewerage,1930
4. Keeping Rapid Sand Filter Beds in Good Condition;Baylis;Water Works and Sewerage,1932
5. A Study of Filtering Materials for Rapid Sand Filters;Baylis;Water Works and Sewerage,1935