A collection of letters and manuscripts of English and American authors, including one item from each of the following: Pearl S. Buck, Samuel Taylor Coleridge, Thomas De Quincey, Thomas Frognall Dibden, Charles Dickens, William Ewart Gladstone, Edmund Gosse, Hester Thackeray Ritchie Fuller, Rockwell Kent, Charles Kingsley, Edward George Bulwer Lytton, John Masefield, Clinton Scollard, William Wordsworth and Walt Whitman. In addition, there are 8 letters from Samuel Rogers (1763-1855) to Mr. and Mrs. Horace Twiss (Annie Sterky Greenwood Twiss), photographs of Alan and Margaret Kempner and miscellaneous Kempner items.

Papers, letters, memoranda, memorabilia, and manuscript music scores assembled by and related to the life and musical activities of Anton Seidl. The collection includes many letters from Cosima Wagner and her children addressed to Anton Seidl and his wife, the opera singer Auguste Kraus Seidl. There are also letters from Lilli Lehman, Edvard Grieg, Antonin Dvorak, Bronislaw Hubermann, Carl Goldmark, Maud Powell, Marianne Brandt, Felix Weingartner, Lyman Abbott, and many others. The letters are chiefly concerned with musical performances, composition, and related affairs. There are journals, diaries, and memoranda in Seidl's hand, as well as photographs and clippings relating to his conducting career. Also, twenty-seven manuscript scores of Seidl's orchestrations of various works.

Personal and professional papers of Stedman, including correspondence, letter books, diaries, poetry manuscripts, scrapbooks, photographs, and genealogical materials for the Stedman and Dodge families. Correspondence and manuscripts of his mother, Elizabeth Clementine Dodge Stedman Kinney (1810-1889), poet and diarist, and of his granddaughter, Laura Stedman Gould (1881-1941), author and editor. Also, editions of Stedman's LIBRARY OF AMERICAN LITERATURE including printed materials relating to the marketing; and an album of Civil War photographs by Mathew Brady, inscribed by the photographer to Laura H.W. Stedman as well as additional loose photographs by Brady.

Correspondence, manuscripts, notecards, tabulation sheets, microfilms, photographs, and photostats. The bulk of the collection is made up of his Columbia University doctoral dissertation, THE OLD STOCK COMPANY SCHOOL OF ACTING; A STUDY OF THE BOSTON MUSEUM, and related research materials. The dissertation, published in 1945, uses the Bostom Museum Stock Company to exemplify the nature of American dramatic arts in the nineteenth century vis-a-vis professional theater organizations and their dual purpose of producing shows and training actors. The research materials appear in a variety of formats: chronological lists on notecards recording the actors that performed in particular plays; tabulation sheets that fulfill many purposes, such as recording each actor's experience, the roles the actors played, and the years that they were active with the company. Photographs include those taken of theater sets, actors in costume, and pictures of the Museum building. Photostats and microfilms are almost entirely reproductions of advertisements and flyers

This collection includes nine letters of Ralph Waldo Emerson as well as letters of Louis Agassiz, Amos Bronson Alcott, Oliver Wendell Holmes, Sr., Henry Wadsworth Longfellow, James Russell Lowell, John Lothrop Motley, Charles Sumner, and John Greenleaf Whittier. In addition, there are two incomplete manuscripts by Emerson and one document from the Liverpool Custom-house signed by Nathaniel Hawthorne as Consul for the United States. The collection also includes the corrected typescript, index, and page and galley proofs for Thomas Franklin Currier, A BIBLIOGRAPHY OF OLIVER WENDELL HOLMES (New York, 1953) which was edited by Professor Tilton. Also, some early correspondence and photographs of the Tilton family and friends. There are letters from the actors Annie Louise Ames, Richard J. Dillon, and Hans L. Meery to Tilton's grandfather, Bernard Paul Verne, as well as photographs, tintypes, and daguerreotypes of the Verne family and friends.

Personal correspondence, speeches, subject files, photographs, and printed and miscellaneous material of Hogan. The correspondence, speeches, and other material relate primarily to his activities as District Attorney, and to his unsuccessful campaign for the U.S. Senate, 1958. The papers also reflect Hogan's deep concern for Columbia University, as a Trustee and a member of numerous alumni committees. Among the major correspondents are Harry J. Carman, Dwight David Eisenhower, Robert F. Kennedy, Arthur Hays Sulzburger, and Herbert Bayard Swope.

Correspondence, manuscripts, notes, notebooks, documents, photographs, course-related materials, and printed materials. The manuscripts include typescripts of Sykes' published and unpublished novels, monographs, plays, short stories, and articles. Among these are The Perennial Avant Garde, The Cool Millennium, and The Hidden Remnant. Sykes' notes and notebooks span the period from the early 1930s to 1980, and include preliminary ideas and sketches for his books, as well as autobiographical material. A small number of documents concern Sykes' wartime work in the U.S. Government Office of War Information. Course-related material including writings and correspondence of students taught by Sykes between 1962 and 1975 at the New School and as an adjunct professor at Columbia University. Printed materials consist of numerous reviews of Sykes' books, in addition to offprints and articles by Sykes. Included as well are printed materials about or connected with Sykes, offprints of articles inscribed to him, and many volumes from his library. The substantial correspondence series includes personal letters and correspondence with agents and publishers relating to his books. Correspondents include Harold Clurman, Aaron Copland, Lawrence Durrell, Georgia O'Keeffe, and Francis Steegmuller, as well as a number of Sykes' students. There is extensive correspondence between Sykes and the artist John Hartell from 1927 to 1983.

Correspondence, manuscripts, papers, essays, etc. relating to Berlioz, and 19th century arts and literature. The correspondence includes original Berlioz letters and over 200 copies of letters relating to Berlioz and the romantic era, written by musicians, critics, historians, and literateurs of the past century. There are many photostats of letters and manuscripts obtained from the principal libraries of the world which hold original Berlioz material. The collection includes much printed material in the form of music scores, published letters, essays, clippings, biographies, music and book catalogues, program notes, and playbills.

The office files of the American Institute of Pacific Relations and the international Institute of Pacific Relations, containing correspondence and reports concerned with international conferences, research programs, and publications programs of both Institutes, and relating to the political, economic, and social problems in eastern and southern Asia and the South Pacific, as well as with problems of American foreign policy. There are many travel letters and on-the-spot reports relating to conditions in China, Japan, Russia, Australia, the Philippines, India, and Pakistan during the period 1933 to 1954.

Correspondence, manuscripts, notes, diaries, documents, photographs, audio tape recordings, printed materials, scrapbooks, and sketches and drafts of portraits. Her finished portraits on ivory are cataloged separately for the Art Collection (q.v.). The collection includes her correspondence with friends and clients; manuscripts of her articles, lectures, and many unpublished autobiographical drafts; pencil sketches, watercolor drafts, and photoprints of her portraits on ivory; photographs of her family amd travels; clippings and other printed materials; and three scrapbooks of clippings and memorabilia. There is cataloged correspondence from Arnold Genthe, S.I. Hayakawa, Karen Horney, Burges Johnson, Dwight Macdonald, and Alice B. Toklas, etc.