Scouting, Quarantine, and Control for the European Corn Borer, 1917-26

Shall I Buy a Tractor?: (for a Corn-belt Farm)

Biology of the Primary Screw Worm Fly, Cochliomyia Americana, and a Comparison of Its Stages with Those of C. Macellaria: Issues 476-500

Relation Between the Physical Properties and Chemical Components of Various Grades of Geraniol and Their Attractiveness to the Japanese Beetle: Issues 501-525

Soil Erosion and Stream Flow on Range and Forest Lands of the Upper Rio Grande Watershed in Relation to Land Resources and Human Welfare: Issues 551-575