The Development and Resources Corporation (D&R), founded and directed by David E. Lilienthal, operated from 1955 to 1979 and was based in New York City. D&R provided regional economic development services to governments throughout the world, often with a focus on the development of water resources and the construction of dams. Its main project was the development of the Khuzestan region of Iran. D&R's records document its development projects and business operations and include correspondence, contracts, data and maps, proposals and reports, and collected materials about each country.

Consists of envelopes both used and unused (also known as covers), letters, postcards, documents, postage stamps, and a variety of other philatelic material from around the world as collected and annotated by the Reverend William Hogarth Tower (1871-1950). The collection spans the topics of English Postal History, United States Postal History, War Covers, Philatelic Miscellany, and Franking.

James A. Baker III served in senior government positions under three United States Presidents and was a central figure in the administrations of Ronald Reagan and George Bush in the 1980s and early 1990s. Baker also led presidential campaigns for Presidents Gerald Ford, Reagan and Bush over the course of five consecutive presidential elections from 1976 to 1992. The papers document nearly every stage of Baker's career, including his work on presidential campaigns, his time as White House Chief of Staff for both Reagan and Bush, and his terms as Secretary of the Treasury under Reagan and Secretary of State under Bush.

Consists of approximately 500 miscellaneous letters relating to the Alexander family of Princeton, N.J., including autograph letters collected by them.

This microfilm consists of monographs, serials, and ephemeral material associated with politics in Chile from 1968 to 2001. The bulk of the material dates from about 1985 on.

This collection consists of virtually all of the surviving records of Scribners (1846-1984), the New York City publisher, and reflect aspects of all of its publishing functions (soliciting and acquiring books, editing manuscripts, printing and manufacturing books, advertising and publicizing publications) and business concerns (book and magazine publisher, retail bookstore, subscription books department, educational books department, printing press and bindery, rare books department). Included are files of editorial correspondence with authors, manufacturing records about book production, advertising records, author contracts, a collection of dust jackets, book catalogs, ledgers, and photographs. While there are gaps in most of the series or record groups, there are records representative of all of the firm's former permutations: Baker & Scribner, Charles Scribner & Co., Scribner, Armstrong & Co., Scribner, Armstrong & Welford, Scribner & Co., Charles Scribner's Sons. The bulk of the material (1880s-1970s), however, dates from the period when the publisher bore its most familiar name, "Charles Scribner's Sons." There is also material related to early publishers' organizations and international copyright.

Walker Bleakney was a renowned physicist who served as a Princeton professor of physics (1932-1969) and chairman of the physics department (1960-1967). This collection consists of Bleakney's papers, including published and unpublished reports, drafts of articles, graphic data and photographs of experiments, and other material concerning Bleakney's defense-related research on shock waves at the Princeton Gas Dynamics Laboratory, as well as lecture notes and correspondence.

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.

John Marshall Harlan (1899-1971), a distinguished lawyer and jurist, served on the U.S. 2nd Circuit Court of Appeals and the U.S. Supreme Court. Harlan's papers consist of legal materials, correspondence, writings, and personal papers that document his career as an attorney and a judge, especially the period when he was a Supreme Court Justice.

Consists of manuscripts and letters relating to the history and method of angling collected by Kienbusch (Princeton Class of 1906).