The Adams mss., 1912-1981, consists of the letters, photographs, and writings by and about author Booth Tarkington, 1869-1946, of Indianapolis, Indiana, and Kennebunkport, Maine. The collection was compiled by Reily Gibson Adams, 1911-1982, whose first wife, Mary Stewart Haines, 1912-1975, was Tarkington's first cousin twice removed.
The Adams, R. mss., 1968-1984, collection consists of the papers of publishing firm Rex Collings Ltd. relating to the publication of several novels, primarily Watership Down (1972), by author Richard Adams, 1920-2016.
The Alden mss., 1951-2001, consists of correspondence and research files generated by historian Dauril Alden, 1926-, in preparation of his biography of Dutch and Portuguese colonial historian Charles Ralph Boxer, 1904-2000.
Allen, Harriet Herron Collins (Mrs. Samuel Ellsworth Allen), 1866-1942
The Allen family mss., ca. 1908-1972, consist of five letters from poet Nicholas Vachel Lindsay, 1879-1931, to Harriet Herron Collins Allen, (Mrs. Samuel Ellsworth Allen) of Cincinnati, Ohio, and of letters from several individuals involved with the theatre to the Harriet Allen's daughter, Ruth Collins Allen.
The Allen mss., 800-1972, consists of manuscript pieces collected by William Edward David Allen, 1901-1973, foreign service officer, businessman, and author, and his own writings about Georgian history.
The Ames mss., 1840-1983 consist of the papers, correspondence, photographs, memorabilia and collected items of the Sally Mundy, 1886-1963, her son Richard Ames 1905-1984, and her second husband, author Talbot Mundy 1879-1940.
The Andrzejewski mss., 1950-1995, consists of papers relating to the languages, literatures, and cultures of the peoples of the Horn of Africa as collected and compiled by linguistics scholar Bogumil Witalis "Goosh" Andrzejewski, 1922-1994.
The Anna Karenina mss., 1935, consists of papers relating to the motion picture Anna Karenina, a Metro-Goldwyn-Mayer release directed by Clarence Brown, 1890–1987, and written by Clemence Dane, 1888–1965, and Salka Viertel, 1889–1978.
The Antonow mss., 1956-1963, consists of poems by James Vincent Cunningham, Stanley Kunitz, Robert Lowell, Marianne Moore, Carl Sandburg, Sir Walter Scott, Karl Shapiro, and Richard Wilbur, all collected by lawyer Joseph P. Antonow, 1915-1990.
The Applegate mss., 1863-1929, consists mainly of correspondence between John S. Applegate, 1823-1867, and his wife Elizabeth S. (Lynch) Applegate, 1823-1890, during the Civil War, and letters from Elizabeth S. Applegate to their daughter Alma Etta (Applegate) White, 1855-1930.
The Appleton-Century mss., 1846-1962, consists of the office files of the publishing company, its two predecessors, D. Appleton & Co., and the Century Co., and to a small extent its successor, Appleton-Century Crofts, Inc.
The Archer mss., 1838-1940, consists of notes on lectures and papers written by Calvin Beza Kell Archer, 1822-1947, while he was a student at Princeton Seminary (now Hanover College) and Indiana University, 1838-1844.
The Arikha mss., 1933-2011, consists of correspondence from writer Samuel Beckett, 1906-1989, to Avigdor Arikha, 1929-2010, and Arikha's wife, poet Anne Atik, 1932-. Arikha's various collected periodicals, catalogues, theatre ephemera, criticisms of Beckett, and other related items.
The Aristotle mss., 1603-1704, consists of commentaries on the works of Aristotle. At least half of the volumes concentrate on logic, but other subjects are covered as well, including physics and general philosophy.
The Auchincloss mss., 1928-1935, consists of materials that were removed from Lilly Library copies of books by poet Edwin Arlington Robinson, 1869-1935. The books formerly belonged to broker Charles C. Auchincloss, 1881-1961.
The Ayelsford mss., 1941-1968, consists primarily of correspondence, articles, photographs, and miscellaneous material collected by friar Father Brocard Sewell, 1912-2000, during the years he edited The Aylesford Review, a literary quarterly sponsored by the British Carmelites, 1955-1968.
The Ball mss., 1873-1981, consists of the correspondence, family papers, and items collected by George Alexander Ball, 1862-1955, his wife, Frances Emily (Woodworth) Ball, 1872-1958, and their daughter, Elisabeth Woodworth Ball, 1897-1982.
The Barnhart Dictionary mss., 1929-2005, consists of the correspondence, business records, project files, reference books, notes, and proofs of lexicographer Clarence L. Barnhart, 1900-1993, and the dictionaries he edited.