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

Emmet John Hughes (1920-1982) was a journalist and speechwriter. The collection is primarily composed of drafts, research files, reviews, and other materials pertaining to various books and articles written by Hughes. The collection also documents Hughes's work as a speechwriter for Dwight D. Eisenhower in the presidential campaigns of 1952 and 1956 and the first year of Eisenhower's presidency, as well as his role as a political advisor and speechwriter for Governor Nelson Rockefeller's 1968 presidential bid.

George A. Hulett (Princeton Class of 1892) was a professor of chemistry at Princeton (1909-1935) and authority on "standard cells." The collection consists of his works, correspondence, documents, photographs, and printed matter.

Contains approximately 110 letters by Aldous Huxley written to various friends and associates, including Arnold Bennett, Basil Ashmore, Edith Sitwell, Osbert Sitwell, and the American photographer Sanford Roth, collected by Goodwin Weinberg (Princeton Class of 1929).

Albert Montefiore Hyamson was a British civil servant, Zionist author, and historian who served from 1917-1921 in the Jewish Bureau of the United Kingdom Department of Information and from 1921-1934 in Mandate Palestine as Director of Immigration. The Albert Montefiore Hyamson Papers consist primarily of reports written by the Palestine Group in the The Royal Institute of International Affairs, correspondence regarding Palestine between Hyamnson and J. L. Magnes, and a small amount of clippings.

Consists of correspondence, photographs, and printed matter concerning the Baron and Baroness Hyde de Neuville.

Jack Iams (Samuel Harvey Iams, Jr.), Class of 1932, was a noted mystery writer in the first part of the twentieth century. The collection includes notes, drafts, outlines, and typescripts for seven of Iams's mysteries, as well as several assorted items, such a book jacket proofs and page proofs.

Consists of the writings, correspondence, photographs, and personal papers of the Mexican novelist, journalist, and playwright Jorge Ibargüengoitia as well as writings about him by others and adaptations and translations of his work.

The A. Jacobi Papers consists of offprints of writings and lectures, correspondence, memorials, and other miscellanea of the German physician, pediatrician, author, and first professor of children's diseases in the United States Abraham Jacobi (1830-1919).

Consists of personal papers of Marius B. Jansen, a Princeton professor of Japanese history.

Joseph Jefferson (1829-1905) was an American actor and author. His collection consists of biographical newspaper clippings, 2 copies of his Autobiography, theatrical criticism and approbation, and clippings on family matters.

The collection consists of editorial correspondence and some business material of the American publisher.

Consists of selected manuscripts and some correspondence of Dorothy M. Johnson, a writer of Western fiction.