United States. Bureau of Entomology and Plant Quarantine. Division of Insecticide Investigations

• A catalog of patented mothproofing materials and solvents and adjuvants used with them
• A review of non-chemical United States patents issued from 1917 to 1933 inclusive, relating to insect control
• Mosquito-control activities in the Pacific Northwest under the CWA program
• Organization chart
• References to the use of ethylene oxide for pest control
• The eye gnat in the Coachella valley, California
• Lonchocarpus (Barbasco, Cube, and Timbo)
• References to reviews and popular articles on Derris
• Tephrosia as an insecticide --