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ECONOMIC LIBRARY LISTS 
No, 1. State trade "barriers; selected references. March 1939. 
No. 2. The frozen food industry; selected references, January 1937 to 
March 1939. April 1939. 
No. 3. High drafting in cotton spinning; selected references. April 1939. 
No. 4. Egg auctions; selected references. July 1939. 
No. 5. Acts administered "by Agricultural Marketing Service, October 1939. 
No. 6, Periodicals relating to shipping. October 1939. 
No. 7, Electrical properties of cotton; some references to the literature, 
1931-date. November 1939. 
Nc, 8.. Sea island cotton; selected references. November 1939. 
No. 9. . Cotton picking machinery; a short list of references. March 1940. 
No. 10. The tomato industry in Puerto Rico and Cuba; a short list of refer- 
ences. June 1940. 
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