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Search keyword：(Standard classification: 327.73/0675/1)
Congo, 1960-1968 / editors, Nina D. Howland, David C. Humphrey, Harriet D. Schwar ; general editor, Adam M. Howard
Washington : U.S. G.P.O. , 2013. - (Foreign relations of the United States, 1964-1968 ; v. 23)