Correspondence, diaries, writings, clippings, photographs, and other papers chiefly concerning Letts de Espil's years (1933-1943) in Washington, D.C., as wife of Felipe A. Espil, Argentine ambassador to the U.S. Diary entries concern social affairs in Washington and include references to many prominent individuals of the New Deal era such as Adolf Augustus and Beatrice Bishop Berle, Antoinette and Charles Evans Hughes, Cordell and Frances Hull, Harold L. Ickes, Arthur and Martha Krock, Elinor and Henry Morgenthau, Drew Pearson, Carlos Saavedra Lamas, Arthur H. and Hazel Vandenberg, Henry Agard and Ilo Wallace, and Mathilde and Sumner Welles. The papers also document a cruise to the Arctic in 1927, the Espils's return to Argentina in 1943, other diplomatic assignments, life in Argentina under Juan Perón, and relations between the U.S. and Argentina. Correspondents include George Bush, Frances Hull, Adlai E. Stevenson II, Mathilde and Sumner Welles, and the Duke and Duchess of Windsor.