Correspondence files of Dr. Adolph S. Oko. The bulk of the correspondence is from Dr. Carl Gebhardt (1881-1934), with a large group also relating to a campaign to raise money for the Domus Spinozana. Present are a number of typescripts of articles and an extensive life of Spinoza. There are a few personal items, but practically all correspondence and manuscripts relate in some measure to Spinoza. Also, nine boxes of clippings relating to Spinoza, a duplicate set of cards for the Spinoza Collection used by G.K. Hall in publishing SPINOZA BIBLIOGRAPHY, the personal cardfiles of Oko and Gebhardt, and one box of Oko bookplates.

Papers and correspondence including letters from leading intellectuals of the United States and Europe. Much of this correspondence pertains to the publication and critical discussion of his two influential works, MANHOOD OF HUMANITY : THE SCIENCE AND ART OF HUMAN ENGINEERING (1921) and SCIENCE AND SANITY : AN INTRODUCTION TO NON-ARISTOTELIAN SYSTEMS AND GENERAL SEMANTICS (1933).

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.

The collection includes correspondence, memoirs, organizational records, and printed materials. The correspondence -- which covers the 1923-1963 period -- concerns the activities of a number of emigre Cossack groups, scout groups and anti-Communist organizations throughout Europe, Canada and the United States. There is a two volume memoir written by P.P. Cherepanov, a member of the Tiflis Cadet Corps. The organizational records include accounts, membership lists, poems and songs, protocols and receipts, chiefly for the Tiflis Cadet Corps. Among the printed materials are issues of emigre and Cossack publications (such as "Bodrost,́" "Mikhaĭlovt︠s︡y" and "Rodimyĭ kraĭ") and ten folders of clippings about Cossack events and members. One of the scrapbooks contains guest lists of various events, clippings and photographs (including photographs from the filming of a 1920s production of "Khadzhi Murat"), while the other scrapbook has records of Cossack events and a number of original watercolors.

This collection contains records documenting Columbia University's activities slightly prior to, during and immediately following World War I. The collection consists of mostly correspondence, but also includes newspaper clippings, pamphlets, various publications, reports, photographs, service record cards, and numerous lists of Columbia men and women who served during the war.

Records documenting Columbia University's activities prior to, during and immediately following World War II represent the focus of the collection. The collection contains material generated by a variety of groups and offices on campus evidencing the varied activities undertaken by the Columbia community during this time of world crisis.

Correspondence files of the Declaration of Atlantic Unity. The declarations which they issued are in the box of printed materials (No. 49)

Established in 1965 by Columbia University, the Double Discovery Center (DDC) provides educational programs and services to low income and first generation college-bound junior high and high school students in New York City. The DDC is one of the oldest Upward Bound programs in the United States. The collection contains the records of the DDC from 1965 to 2005, including student files and materials documenting the DDC's primary programs, Upward Bound and Talent Search.

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.

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.