The Biographical series contains biographical sketches, clippings, awards, correspondence between Kemmerer and family members, especially his son Donald Kemmerer, and photographs. The series also includes a guestbook listing the visitors to the Kemmerer home from 1920 to 1941 and a small amount of material related to Princeton University and Scranton-Keystone Junior College.

The Country Files series documents Kemmerer's financial advisory work and also contains materials collected by Kemmerer as he conducted research on particular countries. The series contains material from twenty-six countries, mostly in Latin America. The best documented are China, Colombia, and Peru, and to a lesser extent Chile, Ecuador, the Philippines, and Poland. The papers include correspondence, reports, clippings, and government publications regarding a wide variety of subjects, including banks and banking systems, currency and monetary policy, government budgets and debt, taxes, trade laws, and information regarding the economic and social conditions of the countries. The papers also include correspondence, reports, clippings, and other materials of the commissions of financial advisors lead by Kemmerer.

Series 6 is largely composed of materials related to Kemmerer's work as a financial advisor leading international financial commissions. The materials include bound copies of reports submitted to the governments with the commissions' recommendations and photograph albums and scrapbooks of clippings that document the time spent by the commissions in the countries, as well as a small number of books. Supplemantary materials that were kept in rolls may be found in Series 7.

This series includes the Bradley Senate office's administrative records. Most records in this group were created by Marcia Aronoff, Marina Gentilini, and Margaret Hawthorne, and consist of schedules, invoices and receipts, and routine correspondence.

The Correspondence series contains Widenmann's professional correspondence with bankers, businessmen, government officials, and academics. The majority of the letters are in response to Widenmann's requests for copies of articles or speeches, often with the requested item and sometimes with Widenmann's comments on the item. The series also includes correspondence between Widenmann and United States government officials regarding his views of financial policies, Widenmann writing colleagues about the state of the stock market and United States financial conditions more generally, correspondence in relation to his involvement with professional organizations and conferences, and invitations to events.

The Topical Files series contains copies of articles, speeches, testimonies before Congress, press releases, memoranda, and publications collected by Widenmann on a variety of subjects. The subjects include monetary, financial, and economic conditions in the United States and internationally, United States government financial and economic policies, gold, the stock market, business, and reports on the performance of individual businesses. The materials were produced by banks and businesses, professional organizations, scholars, and businessmen.

The Writings series includes Widenmann's writings for use within Loeb, Rhoades Company and drafts of articles and speeches presented to the financial, economic, and business communities. The subjects of his writings include monetary problems, gold and the gold standard, the United States economy, and the money and stock markets. The reports for Loeb, Rhoades Company include analysis of these same subjects, as well as discussions about the performance and strategies of the company. The series also includes a few reports written while Widenmann was an executive at Ludwig Bendix's firm, and a few of Widenmann's student papers.

The Research Files series contains notes, drafts, and correspondence related to Ryder's various projects. Additionally, some folders contain finished publications.

The Teaching and Administrative Files series contains correspondence, notes, drafts, publications, and teaching materials related to Ryder's academic posts. There is a small amount of personal correspondence.

These records are composed of mostly correspondence and subject files that were created in the course of Ullman's work as an academic, primarily at Princeton University, and in various other positions he held during his career, such as his term on the editorial board of The New York Times. The records also include some of Ullman's published articles and what appear to be notes and research prepared for lectures on European governments and foreign policies. Of note is Ullman's correspondence with well-known individuals in the field of foreign policy, particularly George Kennan.

This portion of the collection includes correspondence, reviews, and research materials that pertain to Ullman's first published scholarly work, the three-volume Anglo-Soviet Relations, 1917-1971.

Series IV: Personal Materials includes a letter written by H. Freeman Matthews, Jr. to his parents while in the army in 1947 as well as candid photographs and photographs of friends and colleagues.

Personal correspondence to family and friends. These materials are not in any particular order; many letters remain in original envelopes.

Series 4, General, 1944-2012 reflects Becker's personal activities. Becker used his financial and analytical skills throughout his career. He created a small file of his position papers, included are documents for the Investment Bankers Association of America, John J. Gilhooley during his bid for New York City Comptroller in 1961, and the Critical Issues Council directed by Milton Eisenhower. Some of these position papers can be found elsewhere in the series, for example the paper on the position of comptroller is found in the portfolio assembled by Becker and within the John Gilhooley correspondence. Other writings in this series include the foreign press reviews from Becker's Army service in the mid-1950s, and a manuscript entitled "Selling Municipal Bonds."

Series 1: Diary, Correspondence and other writings by Philip Strong includes diaries from 1919 and 1921, some poems and short stories probably written by Philip Strong, 1966 articles and notes, and correspondence of a personal and professional nature from 1947 to 1963.

Series 2: Bibliographies, Indexes and Abstracts contains selected bibliographies of materials related to espionage and counter-intelligence. Also included are indexes to the National Defense Review of 1955 and a list of hearings, reports and cases related to Communist propaganda in the United States.

Series 4: Articles, Essays etc. by Authors other than Philip Strong includes articles, essays, and reports relevant to Strong's interests in espionage and counterintelligence.

Series 6: Reports: Selected includes materials on military intelligence, espionage, and US intelligence services.

Series 8: Court Cases, Trial Records, etc. includes court cases, trial records and briefs for various cases as identified in the file titles.

Series 10: Clippings includes clippings of newspaper and magazine articles related to Strong's interests in espionage, counterintelligence, Communism, and US intelligence services.

Series 3: Articles and Speeches by Clarence B. Randall includes two volumes of Randall's speeches given between 1932 and 1955 and a report on the economic aspects of internation travel.

Series 4: Books By Clarence B. Randall includes published copies of Randall's books written between 1938 and 1967. It also includes a small amount of communication between Randall and John Foster Dulles regarding economic integration with Canada.

Series II: "Benjamin Strong Collection" contains documents and reports on the funding and development of the Benjamin Strong Collection of Foreign Public Finance including correspondence between the Princeton University Librarians related to sourcing and obtaining materials for building up the collection.

The Correspondence Series includes letters, notes, and telegrams from a variety of individuals, usually to or from Woodrow Wilson (although some correspondence is between others and is related to Wilson). Perhaps the most notable portion of this series is the Wilson family correspondence, including letters between Wilson and his first wife, Ellen Axson Wilson, from their courtship through the end of her life in 1914, as well as correspondence to and from his daughters Jessie and Margaret, and his brother-in-law Stockton Axson. This series also includes a "Special Correspondence Collections" section, which contains shorthand notebooks of Wilson letters recorded by his secretary, Gilbert Close, as well as correspondence collections of other individuls close to Wilson, including Lawrence Woods, David Huston, and Mary Hulbert, as well as the Thackwell collection of correspondence between Woodrow family members and especially between Woodrow Wilson and his cousin, Harriet Woodrow. These collections include letters to and from Wilson and others. The final section of the Correspondence Series includes copies of letters in other collections.

The Documents Series includes originals and photostats of many important documents written, signed, or received by Woodrow Wilson, including applications, appointments, constitutions, resolutions, and property and deed documents. Of note are the marriage license of Woodrow Wilson and Edith Bolling Galt, as well as "Resolutions Regarding the Graduate School of Princeton University, 1908."

The Printed Matter Series consists of printed matter by and about Woodrow Wilson, mainly printed addresses, speeches, and cartoons in newspaper and printed forms.