The Athletics series consists of files on athletic pursuits at Princeton, from intramural sports and the once-mandatory physical education classes to Princeton's sports teams and the Olympic pursuits of Princetonians. The bulk of the series consists of files on sports teams.

Series 1: Princeton University Athletics Statistics and Clippings, 1869-1960 consists mostly of binders of statistics and newspaper clippings compiled by C. Bernard Shea between approximately 1901 and 1960. A number of sports are represented; however, the bulk of the materials relate to football. Also included is a copy of Intercollegiate Football, A Complete Pictorial and Statistical Review 1869-1934 edited by Christy Walsh.

Consists of bound volumes (versebook from 1824, gift of John Pascoe Grenfell to Algernon Grenfell; Arabic prayer book, 1894-1895), documents, and unidentified papers.

Consists of oversized notes, notebooks, publications, memorabilia, and photographs: 6 packages in 3 boxes.

Series 2: Regional Organizations, 1868-2010 contains the records of regional assocations of Princeton alumni throughout the United States. Most of the early records are directories, event inviations and similar printed materials. The Princeton Club of Washington D.C. has donated the largest amount of administrative material, while other associations have donated runs of directories and newsletters.

This series consists primarily of reports, meeting minutes, campus surveys, and other records that document the decades of research and planning before the Office was created. Topics covered in depth include student life, residential life, and athletics. Many of the folders in the "Campus Life Files" potentially duplicate records found in Subseries 1A.

Series 3: Department Administration contains various files maintained by the geology department, including information on course planning and course offerings; department histories often written by members of the department; departmental reports to the university president; plans for and assessment of the department's structure and academic foci; budgets and allocated funds; and records of the Geological Engineering Program. The files include correspondence, clippings, newsletters (especially The Smilodon), pamphlets, and maps.

The Selected Correspondence and Related Materials series contains Eberstadt's professional correspondence with government officials, politicians, and academics, as well as businessmen and investment bankers, policy organizations, social clubs, and charity groups. The series also includes correspondence that Eberstadt was copied on, and related government reports, records of Congressional hearings, meeting minutes, memoranda, academic papers, pamphlets, newspaper clippings, and photographs. The majority of the correspondence is related to Eberstadt's service to the United States government on defense and economic issues, especially during the 1940s and 1950s, including with the Reparations Conference in Paris in 1929, the Army-Navy Munitions Board, the War Production Board, with armed services unification and Defense Department reorganization, the Atomic Energy Commission, and the Hoover Commission on Government Reorganization. Significant correspondents include Bernard M. Baruch, James V. Forrestal, and Herbert Hoover. The correspondence documents Eberstadt's service to these organizations and their work with World War II policies, especially the production and distribution of supplies, post-war economic policies, and national security. The series also includes Eberstadt's correspondence with politicians, academics, and concerned citizens discussing these issues, as well as correspondence with his colleagues in the investment field regarding his business and investing, and correspondence with policy, social, and charity organizations regarding his membership and their meetings and causes.

Consists of the correspondence of Walter Lowrie, including family and general correspondence. Also includes correspondence with publishers.

The Personal and Family Records series documents the personal life of Eberstadt and his immediate family. Much of the series is composed of Family Files, which predominantly contains papers related to Eberstadt's children and grandchildren, as well as his extended family. The papers include correspondence regarding family news and arranging for activities, as well as greeting cards, children's drawings and school grade reports, and a few photographs. The series also includes papers regarding Eberstadt's membership in a variety of social and business clubs; correspondence and itineraries for family vacations to Mexico, the Caribbean, and Europe; personal and business financial papers such as tax records and stock holdings; and financial and maintenance papers related to Eberstadt's ownership of property, notably his "Target Rock Farm" estate, and financial and travel records pertaining to his boats, notably the yacht "Target."

Consists of correspondence, photographs, and family histories belonging to Caroline Newton regarding Leonard Jerome (father of Jennie Jerome and grandfather of Winston Churchill) and Winston Churchill, including original correspondence and photographs of both. Many of these materials were collected by Leonard Jerome's grandson Shane Leslie and include scrapbooks and manuscripts of family histories he compiled in the mid 20th century, including an manuscript titled "The Life of Leonard Jerome of New York" and an essay titled "Winston, a Cousinly Memory" (about the Jerome, Churchill, and Leslie families).

Primarily business correspondence of the succeeding Charles Scribners

Consists of class reunion books.

Series 1: Observational Records 1867-1966 is arranged in two subseries: 1A Faculty Observations 1867-1938 and 1B: Phenomenal Observations 1874-1966. This series includes observation notes, measurements, photographs, and record books.

Consists of clippings and "The Heritage of Edith Hamilton: 1867-1963" by John Mason Brown.

University Publications are those written by University academic departments or administrative divisions. A significant portion of publications in this series contains information for students such as freshman and sophomore academic guides; the booklet on academic policies, Rights, Rules and Responsibilities; orientation schedules, and related materials. This series also contains publications intended for potential Princeton students, such as Princeton Profile. Also present in this series are newsletters produced by academic departments and programs, as well as the Princeton Art Museum.

Material related to Frederick Morgan's family. Though consisting mostly of correspondence, these papers also include a range of other material associated with individual family members. For example, Morgan's son Seth published a novel, Homeboy, and his files include clippings of reviews for the book. The most extensive files in this series [relate to] Morgan's first wife, Constance, and to Morgan's mother, Marion Morgan. The correspondence between Morgan and his first wife runs to several hundred letters, and the two were particularly active correspondents during the period of Morgan's military service when they often wrote each other multiple letters in a single day. The files for Marion Morgan span a particularly long period, from 1930 to 1988, and contain extensive correspondence between her and her son in which they often discuss family news and events.

Series 1, Buildings (1866-1972) contains information that relates to specific buildings on campus, or to specific unrealized building projects. A file may contain information about two buildings, if they were erected during the same construction drive. This series also contains files related to the five residential colleges.