50 BULLETIN 1111, U. S. DEPARTMENT OF AGRICULTURE. 



Extension of cotton production in California. By O. F. Cook. U. S. Dept. 

 of Agriculture Bulletin No. 533. Issued March 3, 1917. 



Production of American Egyptian cotton. By C. S. Scofield, T, H. Kearney, 

 C. J. Brand, O. F. Cook, and W. T. Swingle. U. S. Dept. of Agriculture Bul- 

 letin No. 742. Issued January 1.5, 1919. 



Cotton improvement under weevil conditions. By O. F. Cook. U. S. Dept. 

 of Agriculture, Farmers' Bulletin 501 (revised edition). Issued October, 1920. 



Cotton a community crop. By O. F. Cook. Journal of Heredity. Issued 

 April, 1920. 



Commercial parasitism in the cotton industry. By O. F. Cook. Nature 

 (London). Issued July 1, 1920, pp. 54S-549. 



Community cotton improvement in North Carolina. By R. Y. Winters, S. W. 

 Hill, and P. H. Kime. North Carolina Agricultural Extension Service Circular 

 108. Issued September, 1920. 



Your community's cotton reputation. How some communities are building 

 good cotton names and capitalizing them. By F, H. Jeter. The Progressive 

 Farmer. Issued January 29, 1921, p. 130. 



The cotton variety problem. By J. S. Gates. The Country Gentleman 

 Issued March 5, 1921. 



Adelanto en el cultivo del algodon. By O. F. Cook. Boletin de la Uni6n 

 Pan Americana. Issued March, 1921, pp. 273-294. 



City and country. By O. F. Cook. The Journal of Heredity. Issued March 

 and April, 1921. 



Improvements in cotton production. By O. F. Cook. U. S. Dept. of Agri- 

 culture Circular 200. Issued November, 1921. 



Cotton-seed mixing increased by modern gin equipment. By W. W. Ballard 

 and C. B. Doyle. United States Department of Agriculture Circular 205. 

 Issued February 17, 1922. 



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