The collection consists of speeches, reports, publications, research notes, and correspondence. The bulk of the collection relates to Wu's involvement in the American Physical Society as well as her research activities. The correspondence is chiefly professional, relating to C. S. Wu's physics research, professional commitments, appointments, meetings, conferences, and publications. Correspondence also includes letters from individuals around the world praising Wu for her accomplishments, asking advice, arranging speaking engagements, discussing administrative matters, and trading research notes, as well as information on publications and other topics. In addition, the collection contains information on Wu's involvement in the development of an affirmative action program at Columbia University in the 1970's.

Personal, professional, and family papers of the journalist and writer Wilbertine Teters Worden (1866-1949). Some of the files concern her father, Colonel Wilbert Barton Teters (1836-1923) a Civil War veteran, his military reunions, and his gold mining interests in Colorado. Wilbertine Teters Worden's own manuscripts include both fiction (short stories and poetry) and non-fiction (she often wrote love stories from early American history). The collection also includes her diaries dating from 1885 through 1948. There does not appear to be much in the collection related to Worden's novel, The Snows of Yester-year" (Boston, Arena Publishing Company, 1895).

Correspondence, manuscripts, drafts, notes, documents, drawings, photographs, audio tapes, clippings, and other printed materials covering every aspect of Helen Worden Erskine Cranmer's life and career. There are extensive biographical files on: Jenny S. Bradley, Prince Charles of England, Joseph Dixon, Dwight and Mamie Doud Eisenhower, Rosina Lhévinne, Paul Niehans, the Morgan twins (Gloria Morgan Vanderbilt and Thelma Morgan Converse Furness), Jovanka Tito, Harry and Bess Truman, the Duke and Duchess of Windsor; and large files on crime, recluses, New York City history, and travel. There are extensive drafts and source materials for her unpublished autobiography. There are pencil sketches, pen-and-ink drawings, watercolors, charcoal sketches, photographs, and printed copies by Helen Worden Erskine Cranmer and by others.

The Benjamin Waugh papers mainly consist of photographs that documented the National Revolution Army's Northern Expedition in various northern cities in China dating from 1927 to 1928. Other materials include letters, a grocery company's income, and photographic postcards depicting sceneries in China.

Correspondence, manuscripts, documents, photographs, and printed materials documenting the life of Harold Melvin Triggs. The correspondence is primarily personal and from other musicians. There are concert prograpms from various points in Trigg's career and photographs primarily of Triggs and Vera Brodsky. There are manuscript and printed scores mainly of piano music but of some orchestral music as well. There is also a scrap book made by Triggs as a small child

Correspondence, manuscripts, photographs, prints, and printed material relating to Tompkins and his family. The cataloged correspondence includes two letters while he was Governor, one from John Peter Van Ness, New York Congressman, and Tompkin's letter to Rev. Peter I. Van Pelt on the creation of a college on Staten Island. The manuscripts consist of Tompkin's Columbia College valedictory address, biographical and genealogical items. There are 5 portraits of Tompkins and his wife as well as cabinet photographs of the Governor's mansion in Albany

The papers include correspondence, subject files, photographs, and printed materials. The majority of the collection concerns the mission of the American Red Cross to Russia in 1917-1918; Thacher served as a secretary of the mission. There are letters and telegrams by W.B. Thompson and Raymond Robins, records of supplies, shipments, and distribution reports and over 600 photographs from Russia, China, and Romania. There is substantial correspondence from 1918-1919 concerning Russia, including letters by Louis Brandeis, Felix Frankfurter, and Lillian Wald. A substantial part of the collection concerns Russian war relief in 1941-1942, an area in which Thacher was active. Printed materials include a pamphlet and an article on Russia prepared by Thacher after his return from that country in early 1918.

Edmund Stevens (1910-1992) was an American journalist who worked as a foreign correspondent in the Soviet Union from the 1930s until the early 1990s. He won the Pulitzer Prize for international reporting in 1950. The papers include articles, book materials, correspondence, travel notes, reporter notebooks, and photographs.

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.

Records of the North American Committee to Aid Spanish Democracy and Medical Bureau to Aid Spanish Democracy, two New York City-based American organizations working to raise funds and provide medical and humanitarian aid for the Republican cause in the Spanish Civil War (1936-1939), and to refugees who fled Spain after the defeat of the Republican forces in April 1939. The organizations formally merged in January 1938 and became known as the Spanish Refugee Relief Campaign. These files include the organization's official reports, correspondence, pamphlets, broadsides, photographs, and publicity material, as well as several scrapbooks of news clippings.