Analysis of Hedging and Other Operations in Wool and Wool Top Futures

Relation of Spot Cotton Prices to Prices of Futures Contracts and Protection Afforded by Trading in Futures

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

Selenium Occurrence in Certain Soils in the United States with a Discussion of Related Topics: Third Report, Issues 601-625

A Land Program for Forest County, Wisconsin: Based on an Analysis of Land Use Problems, Issues 676-700

Investigations in Erosion Control and Reclamation of Eroded Sandy Clay Lands of Texas, Arkansas, and Louisiana at the Conservation Experiment Station, Tyler, Tex., 1931-40: Issues 901-925

A Revision of the Mites of the Subfamily Tarsoneminae of North America, the West Indies, and the Hawaiian Islands: Issues 651-675

Selenium Occurrence in Certain Soils in the United States, with a Discussion of Related Topics: Fifth Report, Issues 751-775