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 an open collection of Ethiopic magic scrolls, chiefly dating from the 18th to 20th centuries, collected by Bruce C. Willise (Princeton Class of 1986).

Consists of writings, correspondence, documents, drawings, photographs, papers of others, and printed material of María Rosa Oliver (1898-1977), Argentine essayist, short story writer, literary critic, and translator.

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

Consists of selected papers of American historian Charles Homer Haskins reflecting his academic career and government appointments.

Consists of a closed collection of miscellaneous single-item acquisitions that span multiple collecting areas, topics, genres, and time periods. Many materials relate to United States literary, historical, and political figures, including business and personal letters, manuscripts, drawings, photographs, and official documents due to the type of materials that were initially added to the collection.

The Hamilton Fish Armstrong Papers consist of correspondence, notebooks, memoranda, material from 1945 United Nations Conference on International Organization, writings especially in relation to Peace and Counterpeace and Tito and Goliath, diaries, scrapbooks, and photographs. The papers document Armstrong's career as editor of Foreign Affairs, his participation in the activities of the Council on Foreign Relations, and his professional involvement and interest in foreign policy from World War I through the 1970s. Included is correspondence with many well known political and literary figures of the time period. Some materials of a personal nature are included but the bulk of the papers relates to Armstrong's professional life. The papers also document Armstrong's participation in many philanthropic activities associated with Yugoslavia.

Frances de Chollet (1900-1994) assisted Allen Dulles with obtaining the diaries of Galeazzo Ciano, the Foreign Minister of Italy from 1936-1943, from Ciano's wife, Edda, who was also the daughter of Benito Mussolini. The collection is mostly composed of correspondence written to Frances de Chollet from Edda Ciano, though letters from Allen Dulles and other correspondents are included to a lesser extent. The collection also contains a small amount of de Chollet's notes documenting her face-to-face meetings with Edda Ciano.

The Association of Hiroshima University for Sending Atomic-bombed Roof Tiles distributes the tiles in an effort to perpetuate awareness of the bombings of Hiroshima and Nagasaki and to oppose the use and proliferation of nuclear weapons. The collection includes seven atomic-bombed roof tiles; photographs of the location where the roof tiles were recovered; booklets and pamphlets on the bombings of Hiroshima and Nagasaki; and information and correspondence from Hiroshima University.

Peter Grose is an editor and specialist on the history of intelligence. The Peter Grose Papers document Grose's research on Allen Dulles, the origins and early years of the Central Intelligence Agency, and the Soviet Union.