M. L. Richardson

• Dictionary Of Substances And Their Effects Volume 5 (DICTIONARY OF SUBSTANCES AND THEIR EFFECTS)
• Nitrification Inhibition in the Treatment of Sewage
• Risk Management of Chemicals
• The Dictionary of substances and their effects
• Toxic Hazard Assessment of Chemicals
• A sermon preached at the funeral of Lieut. Eber C. Pratt
• Soil survey of Santa Cruz and parts of Cochise and Pima Counties, Arizona