E. H. Davis

• "...Of the People by the people for the People...
• The Profession of a civil engineer
• Animal waste data and population equivalents
• Films for 4-H automotive, small engine and tractor projects
• Guidelines for handling animal wastes as related to water and air pollution control
• Incinerators for meeting air pollution requirements
• Pavement design for roads and airfields
• Report of the Committee on the statistics of calculous disease in Ohio, made to the Ohio State Medical Society at the annual meeting, held in Columbus, June, 1850
• Shop-made portable trailer scales
• Stock waterers can prevent water pollution