Consists of manuscripts and related material for four works of fiction by American novelist Harvey Smith (Princeton Class of 1917).

Consists of records of German political and social organizations collected by Childs and articles written by him relating to the political and social climate of the time.

Heath Bowman was a member of the Princeton University Class of 1931. After graduating, Bowman traveled extensively and later became a public affairs officer involved in Chile, Italy, France, and Yugoslavia. The papers consist of Bowman's 68 diaries from 1923 to 1989 and some of his photographs from the West Indies and South America.

Consists of the personal and business correspondence, writings and drafts, promotional material, newspaper clippings, photographs, and sketches of the artist, Hedi Bak.

The Helen MacInnes Papers contain the original manuscripts of twenty-two published novels, miscellaneous articles and speeches, and a play of renown Scottish novelist Helen MacInnes.

The Helenē Vakalo Papers consists of papers by and relating to the Greek art critic and poet Helenē Vakalo (1921-2001). Included are autograph and typed manuscripts of Vakalo's poetry, lectures, articles, and essays, as well as her correspondence, notebooks, loose notes, and memorabilia. There are also official documents, photographs, awards, printed material, and several works by prominent Greek writers and artists. Of particular importance are the unpublished works and early manuscripts, as well as Vakalo's correspondence with her husband, painter, stage designer, art critic, and writer Giōrgos Vakalo, and with numerous distinguished artists and literary figures.

Helmut Meyer was a German-born American citizen who fought for the United States in World War II and founded the Helmut Meyer Literary Agency in New York City. The collection contains files from the Helmut Meyer Literary Agency, propaganda from both the Allies and the Axis from World War II, manuscripts of Meyer's own work, and correspondence from friends and clients.

Consists of selected material by and about Henry De Wolf Smyth, the American physicist and diplomat who figured prominently in the development of atomic energy, the Manhattan Project, and the production of the atomic bomb.

Consists of mimeographed copies of Rear Admiral Henry E. Eccles' working papers, articles, and lectures dealing with naval logistics and the Naval War College.

Consists of works, correspondence, and printed matter of Henry Neill Paul (Princeton Class of 1884). Also included is an autograph book and account books of family members.

Consists of personal papers of American astronomer Henry Norris Russell (Princeton Class of 1897), including notes kept by Russell as a student at Princeton (1894-1898), lecture notes when a professor at Princeton, and working notes on scientific and military problems.

Henry R. Labouisse (1904-1987) was a distinguished American diplomat and international public servant. He served as director of the United Nations Relief and Works Agency for Palestine Refugees in the Near East (UNRWA) from 1954 to 1958 and as executive director of the United Nations Children's Fund (UNICEF) from 1965 to 1979. He also served as a United States government official working on the formation and implementation of foreign economic policies during World War II and the 1960s. Labouisse's papers document his career with the United Nations and with the State Department and include correspondence, speeches and publications, as well as biographical and genealogical material.

The Henry Van Dyke Family Papers consists of papers of three generations of the prominent Van Dyke family of New York and Princeton, beginning with Henry Jackson Van Dyke (1822-1891) and his wife, Henrietta [Ashmead] Van Dyke (1820-1893), followed by their children, Henry Van Dyke (1852-1933) and Paul Van Dyke (1859-1933), and ending with Henry van Dyke's son Tertius Van Dyke (1886-1958).

Potter was a lifelong British military officer who attained the rank of brigadier-general. He served in Ireland (1898), South Africa (1901-1902), Egypt and Sudan (1903-1913), and World War I (1914-1918); he retired in 1927. Consists primarily of Potter's lengthy correspondence with his mother and future wife while stationed abroad, often during significant British military operations, including censor-stamped envelopes.

The Herbert S. Gorman Papers consists, for the most part, of manuscripts, galleys, and notes for six of Gorman's historical novels, but includes some photographs of Gorman, bibliographies of his works, and a small amount of correspondence.

Herbert Sidney Langfeld (1879-1958) was an American professor of psychology and prominent academic. This collection includes his diaries, professional correspondence, drafts of lectures and notes, photographs, and various printed material.

Consists of papers of Hereward Carrington, a British spiritualist and investigator of psychic phenomena, including correspondence with other notable figures in his field, photographs of mediums and psychic phenomena, several manuscripts, and two diaries.

Consists of copies of letters by American author Herman Melville that were used by Willard Thorp in his selection of Melville's writings published as Representative Selections (1938), as well as other material about Melville.

Consists of mostly English correspondence and manuscripts of the Austrian author Hermann Broch.

Harrison Freeman Matthews Sr. (1899-1986) was a U.S. diplomat and career ambassador. This collection consists of correspondence, a draft of his memoirs, photographs, clippings, films and miscellaneous papers. It includes correspondence with Elizabeth Luke Matthews and a diary she kept during a visit to her husband in Vichy, France in 1940-42.

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

H. Hubert Wilson was a professor in Princeton University's Department of Politics from 1943-1977. The collection consists primarily of published sources on topics of interest to Wilson, as well as materials originating in Wilson's teaching at Princeton, and drafts of a publication titled "This Isn't Princeton".

The papers of Princeton University professor Harper Hubert Wilson document his interest and work in civil liberties. A self described "conservative, anarchist and socialist," Wilson provoked his students to think critically about the social problems confronting society, and to challenge the prevailing assumptions about American politics.

This collection contains more than 2,300 items, including film, videotapes, compact discs, audio cassette tapes, reel-to-reel tape, and record albums and covers a broad range of topics including classical music, alumni reunions, lectures, and interviews.

The Historical Photograph Collection: Alumni Series consists of formal portraits of Princeton University alumni arranged chronologically by class year.

The Campus Life series contains photographs documenting aspects of life as experienced by students, faculty, and staff at Princeton University.

The collection consists of group portraits and other photos of Princeton University classes. Though some photographs depict the classes while their members were students, the majority of the photographs are from alumni reunions.

The Grounds and Buildings Series of the Historical Photograph Collection contains photographs of the grounds and buildings owned by Princeton University. The photographs date from the late 1850s to the present, with the bulk of the photographs dating from the 1870s to the 1940s. Many of these photographs have been digitized and are searchable in Digital PUL.

The Historical Photograph Collection: Individuals series consists of photographs of faculty, administration, trustees, staff, students, and notable visitors to Princeton University.

Consists of several hundred lantern slides containing images of Princeton University, primarily the campus and buildings.

The Student Photograph Albums Series of the Historical Photograph Collection (HPC) contains 180 photographic albums created by Princeton University students. These albums, along with the other photograph collections in the University Archives, help document the experiences of students, faculty, and staff at Princeton University. The albums date from 1851 to 1995, although the bulk date from the 1860s to the 1910s. New accessions are added regularly to the collection.

The Historical Postcard Collection documents the buildings and environs of the Princeton University campus in the form of picture postcards. Featuring both monochrome and color postcards, the bulk of the collection ranges in date from 1900 through the 1960s. Many of the postcards have been digitized and are searchable through Digital PUL.

The Historical Subject Files Collection documents Princeton University history and related topics from 1746 to the present. The collection consists of documents in almost every two-dimensional format: articles, books and booklets, clippings, correspondence, memoranda, non-photographic images, notes, pamphlets, posters, and reports.

Files include correspondence about the founding of Princeton University Libray's William Seymour Theatre Collection, the gala dinner opening night, efforts to enlarge the collection in the 1940 to 1960s, and descriptive writings about the collection by the various curators.

Consists primarily of microfilm and transcripts of letters by American essayist and journalist H. L. Mencken, compiled by Princeton University historian and librarian Julian Boyd for his proposed book of Mencken's letters.

Consists of 110 letters by influential magazine editor and critic H. L. Mencken to David Warren Ryder, a San Francisco area journalist, written mainly from Baltimore and New York between the years 1922 and 1947.

Consists primarily of correspondence between F. Scott Fitzgerald's East Coast literary agent, Harold Ober, and his Hollywood agent, H. N. Swanson, from 20 November 1934 through 4 April 1956.

Consists primarily of family correspondence of John Henry Hobart, a bishop of the Protestant Episcopal Church.

Consists of files pertaining to honorary degree recipients throughout Princeton University's history.

Horton Davies was a Princeton University professor of religion; his wife, Marie-Helene Davies, is author of LAUGHTER IN A GENEVAN GOWN: THE WORKS OF FREDERICK BUECHNER, 1970-1980 (1983). Consists of papers relating to the novelist Frederick Buechner (Princeton Class of 1947) collected or created by Davies.

Howard A. Loeb served as chairman of the board of the Tradesmens Bank and Trust Company of Philadelphia, Pennsylvania and as representative of the Federal Reserve Bank of Philadelphia on the Federal Advisory Council. This collection consists of Loeb's correspondence and printed matter related to these positions.

Howard C. Petersen (1910-1995) was an expert in international economics and foreign trade. He served in the War Department under President Franklin D. Roosevelt, as Assistant Secretary of War for President Harry S. Truman, as National Finance Chairman and fundraiser for the Dwight D. Eisenhower campaigns, and as Special Assistant on International Trade for President John F. Kennedy. Petersen was also a principal drafter of the Selective Service Act, a lawyer, and president of Fidelity-Philadelphia Trust Company. Petersen's papers document his entire career, especially his work with the new Security and Exchange Commission regulations as a lawyer in the 1930s and with the United States War Department during World War II, and include correspondence, articles, and publications.

The collection consists of American consulting engineer and newspaper columnist, Howard W. Ambruster's works, correspondence, miscellaneous material, and printed matter.

H. R. Hays was a writer, anthropologist, and educator. The collection contains his correspondence with ten Latin American writers and poets, primarily about literary and research issues. Also included are typescripts of an article about Jorge Carrera Andrade's poetry and Antenor Orrego's prologue to Trilce (1922).

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 of works, some accompanying correspondence, and photographs of poet, essayist, and church historian, Hubertis M.Cummings (Princeton Class of 1907).

Consists of the records of The Hudson Review, one of the most notable and influential American literary quarterlies of the post-World War II era. Reflecting the history of this New York City-based magazine, the bulk of material dates from 1947 to 2014. In addition, there are extensive personal and family papers of founding editor Frederick Morgan (1922-2004), who was also a published poet and translator.

Consists of writings, correspondence, documents, photographs, and other miscellanea of the American editor, novelist, and storywriter Hugh MacNair Kahler.

The Hugh Moore Fund Collection consists of the files that belonged to Hugh Moore relating to his strong interest in the areas of world peace and world population. Moore established The Hugh Moore Fund in 1944 as a means of funding a number of organizations relating to these interests. Some of the materials in this collection pre-date 1944; these are the papers of organizations to which Moore belonged and which The Hugh Moore Fund supported.

Consists of articles, correspondence, and printed matter of Hugh S.Taylor, chairman of the Princeton Chemistry Department (1926-1951) and dean of the graduate school (1945-1958).