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Coffee, cocoa beans and tea : United States foreign trade in 1938
Bynum, Mary L., (1939)
Coffee, Cocoa bean and tea Trade of the United States in 1939 : By Mary L. Bynum; prepared in the Foodstuffs Division ...
Bynum, Mary L., (1940)
Coffee, tea and cocoa : an economic and political analysis
Wickizer, V. D., (1951)
The world's exports of coffee
Bynum, Mary L., (1930)
The coffee industry in Colombia : U.S. Department of Commerce, Bureau of Foreign and Domestic Commerce ; [prepared ... by Mary L. Bynum]
Bynum, Mary L., (1931)
International trade in coffee : by M.L. Bynum
Bynum, Mary L., (1926)