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Professional and personal files including Armstrong's correspondence with professional associations, other engineers, and friends, his research notes, circuit diagrams, lectures, articles, legal papers, and other related materials. Of his many inventions and developments, the most important are: 1) the regenerative or feedback circuit, 1912, the first amplified radio reception, 2) the superheterodyne circuit, 1918, the basis of modern radio and radar, 3) superregeneration, 1922, a very simple, high-power receiver now used in emergency mobile service, and 4) frequency modulation - FM, 1933, static-free radio reception of high fidelity. More than half the files concern his many lawsuits, primarily with Radio Corporation of America, over infringement of the Armstrong patents. Litigation continued until 1967. Other files deal with his work in the Marcellus Hartley Research Laboratory at Columbia University, 1913-1935, and with the American Expeditionary Forces in France during World War I, his Air Force contracts for communications development, Army research during World War II, the Radio Club of America, the Institute of Radio Engineers, FM development at his radio station at Alpine, N.J., the use of FM in television, his involvement in Federal Communications Commission hearings and legislation, and his work with the Zenith Radio Corporation. Also, letters to H.J. Round

Notes and books from the library of Frances Elizabeth Henne, including some of her own books from her childhood, and others on children's literature inscribed to her by the authors; material for her class on illustration in children's literature, 1952-1979; and memorabilia. Also, a 3,000 card bibliography of children's books cited in book dealer catalogs as well as a small group of entries for monographs and serials with references to children's literature; printed ephemera collected by Phyllis Yuill Marquart (Columbia M.L.S., 1973) relating to her collecting of and research on Helen Bannerman's LITTLE BLACK SAMBO. Included are photocopies of Bannerman's out-of-print books, a folder on commercial spinoffs, such as Sambo's Restaurants, photocopies of various editions of STRUWELPETER, which contains the Sambo story and a 1971 BBC audio tape recording and transcript of a radio program on the topic.

These files concern the publication of Anne Frank: the Diary of a Young Girl in 1952, the dramatization of this diary and the subsequent legal disputes with Meyer Levin over the play, and the motion picture made from the play. They also deal with the activities of the Anne Frank Foundation, primarily support for the renovation of the Anne Frank House in Amsterdam and the programs of the International Anne Frank Youth Center. These files include 145 letters from her father, Otto Frank, and letters from Alfred Kazin, Max Lerner, Meyer Levin, and Eleanor Roosevelt. There are also seven letters from Adela Rogers St. Johns and related materials about her own books and the 1963 volume of minutes of the Doubleday & Co. Publishing Committee.

Correspondence of Price with contemporary political figures including Theodore Roosevelt, Henry L. Stimson, Benjamin Cardozo, Martin Saxe, and John Purroy Mitchel; records of the Fusion Committee of 1909; and scrapbooks of clippings relating to New York City fusion movements, 1909-1933.

A collection concerned with the various phases of black life in America, containing clippings, pamphlets, photographs, pictures, extracts from periodicals, and a representative group of approximately 350 letters, signatures, manuscripts, and documents. Among the letters are several each from Countee Cullen, Frederick Douglass, Alexander Dumas, fils, William Lloyd Garrison, Claude McKay, Abraham Lincoln, Henry Mencken, William Pickens, Albert A. Smith, and Booker T. Washington. Also, eighteen slavery documents.

The collection consiste of correspondence, memoranda, reports, bulletins, clippings, photographs, awards, and printed material. The files, arranged by genre and topic and reflect her philanthropic and legislative work in the areas of health, specifically cancer, heart disease, and mental health. Her civic and legislative work is covered in detail, as well as her private interests and activities.

Autograph and typed letters from James Thomas Farrell to Schapiro, concerning Farrell's personal life, his writings, and current social and political affairs. There are also eight of Farrell's manuscripts from the 1960s. The long friendship of neighbors is seen in Farrell's personal letters about his private life and his family and in the discussions of whichever novel he was working on at the time. The main body of the correspondence is from the World War II period and shows much concern for current events in the Soviet Union as well as in the U.S. and Europe. The author also made a few forays into Irish humor, as in the use of his pseudonym, Jonathan Titelescu Fogarty. There are autograph drafts of Prof. Schapiro's replies to and notes about Farrell, and letters and post cards from Farrell's actress wife, Hortense Adler. Also, a letter from Frances Mitchell on her book, THE AWAKENING - LE REVEIL, 1950.

Letters written to Gay from political and literary contemporaries such as Horace Greeley, Charles Sumner, and William Bryant; reports in letter form from his reporters at the front during the Civil War; and personal correspondence including many letters from his wife, Elizabeth Neall Gay. Letters written to Mrs. Gay from family friends and business associates including many from her husband. Correspondence of other members of the Gay family including Walter Gay, Sarah Gay, and Allan Gay. Diaries, notebooks, and journals of Sydney Howard Gay.