Collection consists of correspondence, manuscripts, diaries, and printed materials. There are letters and telegrams from Field Marshal Carl Gustaf Emil Mannerheim of Finland; two brief memoirs, one by E.L. Miller about Freederichsz and his wife, the other by the wife, entitled"Le salon de ma tante, la Baronne de Witte;" Freedericksz's diaries from 1938-40; and newspaper clippings about Mannerheim.

Approximately 12,000 letters to Allan Nevins from various correspondents including James Truslow Adams, Franklin Delano Roosevelt, Harry S. Truman, Willa Cather, Frances Folsom Cleveland, Van Wyck Brooks, Robert Frost, Newton D. Baker, Archibald MacLeish, John D. Rockefeller, Jr., Carl Sandburg, and Henry Wallace; notes and typescripts for Nevins' books including Emergence of Lincoln, The Ordeal of Democracy, Rockefeller, and History and Historians, with notes by editor Ray A. Billington; miscellaneous transcripts, clippings, newspapers, and photographs. Also, autograph letters and manuscripts by presidents, Civil War figures, financiers, politicians, and authors. There are also the Brand Whitlock World War I Diaries and letters to him by such people as Herbert Hoover, Gen. John J. Pershing, and others.

Correspondence, manuscripts, subject files and printed materials of Velḿin. The correspondence includes letters from Mark Aldanov, Mikhail Karpovich, Ekaterina Kuskova, Vasiliĭ Maklakov, Mikhail Taube, and Mark Weĭnbaum. Most of the manuscripts are by Velḿin himself and concern the Russian emigration in Poland, the 1917 Revolution and Civil War, and German concentration camps during World War II. The collection likewise contains Velḿin's diary (handwritten in eleven volumes) covering the 1900-1960 period. There are subject files devoted to Vasiliĭ Maklakov and to the activities of the Russian scouts, and there are numerous publications, such as journals, pamphlets, clippings and books.

These papers contain the correspondence, photographs, press releases, programs and manuscripts of Clarence Joseph Bulliet (1883-1952) who was a prominent art and dramatic critic for the Indianapolis Star,Louisville Herald and Chicago Evening Press. The bulk of this collection is comprised of materials from the 1910s and early 1920s, when Bulliet was business manager for the touring company of Shakespearean actor Robert Bruce Mantell. Production photographs, press releases, production diaries and notes and drafts for Robert Mantell's Romance, the biography of Mantell written by Bulliet, are included in this collection. This collection also contains photographs and souvenir programs from other productions; drafts of Bulliet's literary works; printed materials and correspondence with Edward Albee, Julian Eltinge, Genevieve Hamper, Robert B. Mantell and Vera Zorina.

This collection contains the papers of Donald C. Brace, one of the founders of the New York publishing house Harcourt, Brace & Company. Materials include correspondence, business records, and proofs of the U.S. editions of Virginia Woolf's works Orlando, The Waves, and The Second Common Reader; the latter two proofs include the author's corrections.

Earl I. Sponable was a chemist, Chief Engineer and Director of Research for Twentieth Century-Fox Film Corporation and its subsidiaries, 1926-1962. He was active in many aspects of research and development in broadcast and movie media, particularly in early sound film.

This collection consists of copies of correspondence, articles, diaries, memoirs, and other manuscripts by and about the Blackwell family. Also, a small group of papers, including correspondence, documents, photographs, and printed papers, about the Rice family of New York.

The collection consists of diaries, documents, a map of the Zmievskiĭ uezd of the Kharkov region, and printed materials. Diaries by Onopko cover the Civil War period from March 13, 1920 to March 25, 1922, and span from his service in the Kharkov area to his emigration to Prague. The diaries also concern Onopko's years in emigration in France from 1930-1944. Documents are mostly from the Civil War period. Printed materials consist of a clipping and printed drawing.

The papers consist primarily of the Kosatkin-Rostovskiĭ's memoirs. His manuscript memoirs (150 p.) discuss his life up to 1906. Her typescript memoirs (440 p.) discuss her childhood, career as an actress in St. Petersburg, 1917-1918 in Petrograd, and the emigration in France. Also included are his diary for June-July 1940; a few letters written to him; clippings of his newspaper articles (many signed with the pseudonym "Antar"); and a book with his poetry and with essays dedicated to him; "Krestnym putem k voskresenii︠u︡" (Paris, 1948).

Professional and personal papers of Francis T. P. Plimpton (1900-1983), an attorney, president of the New York City Bar Association from 1968 to 1970, and member of the American delegation to the United Nations from 1961 until 1980.