Abstract Unpublished and published textual materials, photographs, sound recordings, scrapbooks, artifacts, and a motion picture documenting the life and work of the German-born immigrant to America who invented the gramophone, the flat disc recording, the radio microphone, acoustic tile, and an early version of the helicopter. Included are unpublished and experimental gramophone records dating from the 1890s, some of them featuring the voices of Berliner and various family members, as well as...

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Lawyer, businessman and U.S. secretary of the treasury. Correspondence, family papers, subject files, business, legal, and financial papers, speeches and writings, and miscellaneous material relating primarily to MacVeagh's service in the cabinet of William H. Taft and to the MacVeagh (McVey) and Eames families, Chicago social and civic affairs, the Franklin MacVeagh & Company wholesale grocery business, and other personal and business matters.

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U.S. secretary of health, education and welfare; and educator. Correspondence, memoranda, speeches, writings, subject files, and other papers relating chiefly to Mathews' service as secretary of health, education, and welfare.

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Author and social activist. Correspondence, diaries, speeches, writings, including an unpublished memoir, subject files, research material, family papers, and other papers relating to Meyer's career as an author, authority on Asian art, literary critic and linguist, and social activist as well as to her personal and family life.

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Correspondence, artifacts, clippings, diaries, ephemera, newspapers, pamphlets, periodicals, photographs, postcards, printed matter, publications, reports, and other papers relating to the 1918 Influenza Pandemic.

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Diplomats, educators, and scholars. Correspondence, memoranda, minutes, photographs, reports, writings, subject files, and other papers relating to the Smythes' ambassadorships to Cameroon, Malta, and Syria and their work on African and African American issues with a variety of organizations and educational institutions.