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.

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.

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.

Correspondence, manuscripts, typescripts, research files, documents, printed materials, photographs, and memorabilia of Mr and Mrs Hough. Correspondence includes both personal and business letters, dealing with wildlife conservation, civic interests, and birding. There is some correspondence of George A. Hough, Sr., father of H.B. Hough, who was editor of the New Bedford MA Standard. Most of the correspondence is arranged alphabetically, by personal name or subject, out-going and in-coming filed together. Henry and Elizabeth Hough's correspondence, for which there are no in-coming or related letters, are filed chronologically. Cataloged correspondents include Calvin Coolidge, Max Eastman, Helen Keller, John F. Kennedy, Emily Post, and James Reston.

The Hu Shih diaries comprises six microfilm reels of diaries by Hu Shih, a Chinese philosopher, essayist, educator, scholar, and diplomat of the 20th century. Materials include in the collection are Hu Shih's diaries, which contain correspondence, news clippings, lecture notes, letters dating from 1921 to 1935, as well as the writings of Hu Shih's father, Hu Chuan, who was a civil official of the Qing Imperial Court.

The Li Huang papers (李璜檔案) contain manuscripts of his political writings dating from 1929 to 1971, as well as reference materials for his memoir. The reference materials include collected books, periodicals, reports, letters, photographs, and news clippings. The collection mainly reflects Li Huang's political thoughts and his opposition to communism.

The papers comprise correspondence, manuscripts, memoirs, diaries, personal documents, photographs, printed materials, periodicals, and clippings relating to the life and professional activities of Nataliia Logunova, a Russian émigré journalist and writer.

Correspondence, diaries, documents, manuscripts, and printed materials. The collection consists chiefly of diaries, research materials, and his writings. Among the correspondents are: Mikhail Chekhov, Olga Chekhov, Roman Gul, Vladimir Ilin, Artur Luther, Sergei Melgunov, Bishop Serafim, Fedor Stepun, Ilia Surguchev, Alexandra Tolstoy, and Vladimir Zenzinov.

Pamela Moore (1937-1964) was an American novelist, best known for Chocolates for Breakfast (1956). The papers contain correspondence, clippings, contracts, diaries, drafts, manuscripts, memorabilia, photographs, notebooks, notes, outlines, proofs, school materials, sketch books, and a collection of published editions of Moore's novels.

Collection of Russian and Eastern European emigre newspapers and periodicals published in Europe, North America, South America and Australia in the 20th century, also includes a number of newspapers published in Russia and the Soviet Union.