Henry Holt was a prominent publisher in the nineteenth and twentieth centuries. The collection consists of correspondence and manuscripts of authors published by the company, various bookkeeping records, and a collection of photographs, publicity materials, and clippings about Robert Frost.

Herman Struve Hensel (1901-1991) was an international lawyer. This collection consists of two scrapbooks containing clippings, correspondence, press releases, photographs, articles and speeches relating to Hensel's service as assistant secretary of the Navy and to the Army-McCarthy Hearings.

Consists primarily of a few writings and field notes of American geologist Harry Hammond Hess (1906-1969).

The H. H. Hess Papers consists of professional papers, correspondence, and related materials of the American geologist and educator Harry Hammond Hess (1906-1969).

The collection consists of the original diaries (with typed transcriptions) of art historian Roger Hinks, with early and final drafts of The Gymnasium of the Mind: The Journals of Roger Hinks, 1933-1963 (1984), the publication edited by John Goldsmith that resulted from them. Included are some related correspondence, photographs, and estate material.

Albert O. Hirschman (1915- ) was a leading scholar in the field of economic development whose work focused on Latin America but encompassed the globe. He was a professor at Yale, Columbia, Harvard, and the Institute for Advanced Study in Princeton, New Jersey. Hirschman's papers document his scholarship on economic development and his academic career and include his correspondence written while he was at the Institute for Advanced Study, his writings, and his research notes and materials, especially related to his work in Latin America and for the World Bank.

Esther Hoffman served with the Intelligence Establishment of the Department of the Army for over forty-one years. Doris Hoffman worked as a secretary for the League of Nations Commission in Peking, China between 1929 and 1934. The collection consists largely of letters written home by sisters Esther and Doris Hoffman while employed in Peking, China between 1925 and 1941.

Consists of correspondence in French between Léon-François Hoffmann and Haitian poet René Depestre, including handwritten letters, faxes, and several other documents. Other additions include photocopies of correspondence between Haitian writer and politician Jacques Roumain and his wife Nicole Hibbert.

Richard C. Holbrooke was an American diplomat who led negotiations at the Dayton Accords for peace in Bosnia and Herzegovina in 1995. The Richard C. Holbrooke Papers contain Holbrooke's subject files, records of public statements, correspondence, writings and drafts of writings, articles and periodicals, and audiovisual materials.

Consists primarily of correspondence and printed material, along with two diaries from 1926, a matted postcard, a photogravure plate, and a piece of hair jewelry. These family papers primarily center on Alice Holden (née Cort), as the correspondence are letters between members of the Cort family, or letters to her from her children. The collection largely documents the relationships of the Holden and Cort families in New York state between the 19th and 20th centuries.

Arthur Cort Holden was a member of the Princeton University Class of 1912. He went on to earn a graduate degree in architecture from Cornell University, and joined the New York City firm of McKim, Mead, and White, later forming his own firm and advising Frank Lloyd Wright on the design of the Guggenheim Museum in 1949. Consists of personal papers and correspondence of Arthur Cort Holden.

The Arthur Cort Holden Papers consists chiefly Holden's personal and professional papers, accumulated during his life (1890-1993) as an architect and active Princeton University alumnus. Also included are photographs, the papers of friends and family members, and miscellaneous printed matter dating from the 1840s to the 1990s.

Raymond Holden was a noted author and publisher, who worked for a variety of publications, including the New Yorker, Fortune, Newsweek, and Reader's Digest. His papers include various copies and notes from his own works, correspondence with friends, some work of other people, and assorted documents.

Consists primarily of published and unpublished poetry manuscripts, as well as correspondence with various publishers, of American poet Theodore Holmes (Princeton Class of 1951).

William Horne and Ernest Hemingway were lifelong friends. Horne met Hemingway while a volunteer ambulance driver for the American Red Cross during World War I. They were stationed in Schio, Italy, and drove together on the same ambulance. After Hemingway's failed engagement to Agnes von Kurowsky, they shared an apartment in Chicago during the fall of 1920. When Hemingway married Hadley Richardson in September 1921, Horne was in the wedding party. When the writer died in 1961, Horne was an honorary pallbearer. Contains eight Horne-Hemingway items: a copy of a photograph of Frances Horne [Bunny] and Hemingway in Wyoming in 1928; an autograph signed letter by Ernest Hemingway (with postcript by wife Pauline) to "Dearest Bunny and Horney" [Frances and William Horne], dated 9 September [1929], 2 pp., with envelope; an autograph signed letter by Hemingway to "Dear 'Orny" [Horne], dated 1 June [1930], 2 pp., with 5 pp. of fishing gear advertisements with holograph annotations, with envelope; a typed letter (copy) (dictated to Pauline by Hemingway) to "Dear Horny," dated 23 November [1930], on hospital X-ray form; a typed letter (copy) (dictated to Pauline by Hemingway) to "Dear Horney," dated 26 December [1930], 1 p.; autograph signed letter by Hemingway to "Dear Horney" [William Horne], dated 25 March [1931], 1 p., with envelope; a color copy of a telegram sent by Mary and Ernest Hemingway to Mr. and Mrs. Peter Dodge Horne on the occasion of their wedding, 17 September 1955; and a compact disc recording of "Memories of Ernest Hemingway by William Dodge Horne, Jr., whose grandson, William C. Horne, taped the conversation during an English class at Loyola Academy in Wilmette, IL on May 8, 1975"; 1 p.; Also included are a copy of Horne's first person article "The Hemingway I Remember," "as told to Virginia Kleitz Moseley," that appeared in November 5, 1979, issue of the Princeton Alumni Weekly, and a short piece (2012) about Horne's gift of a Hemingway trunk to the Hemingway Museum in Oak Park, Illinois.

Harold Boies Hoskins was a businessman, diplomat, and educator working in Middle Eastern affairs. This collection consists of correspondence, diaries, notes, photographs, publications, maps, and professional files that document Hoskins' personal and professional activities, as well as the Hoskins family.

Consists of manuscripts, correspondence, stenographer's notebooks, photographs, and nautical charts associated with Walter and Juanita Houk's years in Havana, Cuba, documenting their friendship with the Nobel prize-winning author Ernest Hemingway and his wife, Mary.

Peyton Houston (Princeton Class of 1932) worked with the New York investment company Equity Corporation for forty years, while pursuing a career in poetry and freelance writing on the side. His papers include some of his poetry notebooks and drafts and manuscripts of his published works. The collection also contains his correspondence with family and friends, writers and publishers, and photocopied correspondence with Peter Yates. Some drafts of Yates' work and some personal memorabilia of Houston's complete the collection.

Consists of correspondence, documents, and memorabilia of the American banker and Princeton graduate (Class of 1891) Edward Leavitt Howe (1870-1952).