Letters, manuscripts, documents, and printed materials by and relating to explorers of both poles. Many of the letters are addressed to Vilhjalmur Stefansson or Bassett Jones. The letters for the most part discuss subjects of professional interest. Thre are printed materials, photographs and memorabilia of many expeditions and explorers.

Correspondence, copies of letters, documents, manuscripts, invitations, menus, clippings, school papers, leases, agreements, deeds, financial accounts, photographs, and printed miscellany. The papers deal with many aspects of the Belmont family interests from 1799 until 1930, including: finance, banking and the Rothschilds; the United States Navy, Commodore Matthew C. Perry (1794-1858) and the Perry expeditions to Mexico and Japan; Belmont's embassy to The Netherlands from 1853 to 1857; the Democratic Party, New York City politics, presidential and Civil War politics; social life in New York and Newport and European travel; horses, horse breeding, The Jockey Club, polo, the Remount Association (for cavalry horses in World War I), fox hunting, dog breeding, and yachting; New York subway construction, railroads, the Cape Cod Canal and aviation; the Democratic Convention of 1912; and genealogical notes on the Belmont, Perry, and other families. In addition to the correspondence, there are 117 letter books, tissue-paper copies of outgoing letters.

The diary is a detailed account of Abbott's trip from Sydney, Australia to the Philippines, Hong Kong, Macao, China and Japan. There are numerous pen-and-ink sketches of landscape, architecture, historical sites, and inhabitants, and maps, some in water color. Pasted in the volume are memorabilia such as menus, hotel brochures, postcards, photographs, clippings, calling cards, etc. Of special interest are his accounts of the various native Christian communities he visited. Following the text there is a name index. In addition to the volume there are some related letters, documents, memorabilia and published maps.

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.

This small collection is comprised of some of her studies and work at the University and her position as Nutrition Counselor for the Department of Public Welfare.

Correspondence along with coin rubbings, coin photographs, drawings, clippings, and notes relating to Bryan Money and Lesher Referendum Medals.

Correspondence, manuscripts, notes, photographs, reviews, clippings, and other printed materials about Hanff, as well as books by and about her.

The materials that comprise the Historical Biographical Files have been collected and added to from a variety of sources over the years by current and previous staff. The files consist of materials related to people who have a connection to the University whether as student, alumni, administrator, faculty, staff, guest lecturer, or honorary degree recipient. Materials generally consist of newspaper and magazine clippings, press releases, programs, ephemera, printed matter, lists, reports, and pamphlets.

The Historical Subject Files Collection documents Columbia University history and related topics from 1754 to the present. The collection includes articles, booklets, clippings, correspondence, memoranda, non-photographic images, notes, pamphlets, posters, press releases, programs and reports.

Collection includes three chapters apparently from the manuscript of a book by Efremov on the causes of the Revolution of 1917 in Russia; memoranda, notes, and clippings on attempts made in the 1920s and 1930s to bring about a rapprochement between the Russian Orthodox, Catholic, and Anglican churches (these materials were prepared for the Carnegie Endowment, apparently in 1935-36); and a 1917 menu from a restaurant in Petrograd.