Consists of material by and about Philip Wylie collected by Arthur and Sylvia Mandy during the course of their friendship with the American writer.

Consists of letters and other material related to Sylvia Beach (1887-1962), the American proprietress of the Paris bookshop Shakespeare and Company, collected by Jackson Mathews (1907?-1978).

H. Freeman Matthews, Jr., son of H. Freeman Matthews, was a career Foreign Service officer, serving with the State Department from 1952 to 1991. The collection consists of materials documenting Matthews, Jr.'s service with the State Department, in particular, his time as Deputy Chief of Mission in Cairo from 1976 to 1980.

Harold R. Medina was a well-known judge and active Princeton alumnus. These records document Judge Harold Medina's role as a trustee of Princeton University, a member of the Graduate Council, and a member of the advisory council for modern languages and literatures.

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 of correspondence and manuscripts related to the anthology Democracy at the Crossroads (1932), arranged by Ellis Meredith, a suffragist and journalist from Colorado.

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 research material of American educator and historian Harold Ruland relating to his study of Sebastian Munster (1489-1552) and the history of cosmography and early cartography.

Thomas Burnside Morris graduated from New York University in 1861 with a degree in civil engineering. He was a chief engineer of the Long Island Railroad, 1863; a division chief of the Panama Railroad, 1864-1865; a division chief of the Union Pacific Railroad, 1867-1869; and a division chief of the Northern Pacific Railroad, 1870-1874. He died in Oakland, California, on November 8, 1885. The collection consists primarily of material relating to Morris's role in the construction of the Union Pacific Railroad and the Northern Pacific Railroad.

The Felice and Mildred Morris Autograph Collection consists of letters from numerous 19th- and early 20th-century actors, actresses, playwrights, and others associated with the theater, collected by the Morrises. Included are James Matthew Barrie, Edwin Booth, Dion Boucicault, Frances Hodgson Burnett, Wilkie Collins, Charlotte Cushman, Clyde Fitch, Charles Dana Gibson, Laurence Hutton, Louis Napoleon Parker, Adelina Patti, William Seymour, Otis Skinner, and Kate Wiggin.

Consists of typescripts and related material for American author Lloyd R. Morris's Not So Long Ago (1949) and William James (1950).

Roland S. (Sletor) Morris was a leader of the Democratic Party in Pennsylvania and was the ambassador to Japan from 1917-1921. The Roland S. Morris Papers consist of correspondence, diaries, writings, and other materials that document Morris's family life, political involvement in the Democratic Party, and his position as the U.S. Ambassador to Japan from 1917-1921.

The personal papers of Edward Julian Nally, an American radio industrialist, trace the development of his career in the communications industry, from his earliest days with the Western Union Telegraph Co. (1875-1890), through his tenure with the Postal Telegraph Cable Co. (1890-1913), to his years with the Marconi Wireless Telegraph Co. of America (1913-1919); the bulk of the collection, however, covers his years with the Radio Corporation of America (RCA), for which he served as first president (1919-1923) and director.

Consists of manuscripts for two works of fiction by American novelist Frank Norris (Princeton Class of 1929).

Consists chiefly of manuscripts and related material for two novels by American novelist John O'Hara: A Rage to Live (1949) and Ten North Frederick (1955).

Consists of selected papers of English poet Derek Patmore.

D. Hugh Peniston graduated from Princeton University in 1941. This collection includes his course notes and coursework along with his letters home during his undergraduate years.

This collection consists of personal and professional papers of Adamantia Pollis, professor of political science on the Graduate Faculty of Political and Social Science of the New School for Social Research in New York. Included are drafts of various articles, papers of her students, personal memorabilia and papers, grant proposals, and correspondence.

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.