Cost of producing cotton (842 records—1918) L. A. Moorhouse and M. R. Cooper. (U.S. Agriculture dept. Department bul. 896) 59p pa ’20

Cotton variety tests 1918. A. C. Lewis, C. A. McLendon. (Georgia. State board of entomology. Bul. 52) 40p pa ’19 Atlanta, Ga.

Growing cotton in Arizona. G. E. Thompson and C. J. Wood. (Arizona. Agricultural experiment station. Bulletin 90) 12p pa ’19 Tucson, Arizona

Cotton boll weevil

Dusting machinery for cotton boll weevil control. Elmer Johnson, and B. R. Coad. (U.S. Agric. dept. Farmers’ bul. 1098) 31p pa ’20

Cotton warehouses

Construction and fire protection of cotton warehouses. J. M. Workman. (U.S. Dept. of agriculture. Bul. 801) 79p pa ’19

Cotton yarn

Cotton yarn; import and export trade in relation to the tariff. (U.S. Tariff commission. Tariff information ser. 12) 320p pa ’20

Cowpeas