Jack Iams (Samuel Harvey Iams, Jr.), Class of 1932, was a noted mystery writer in the first part of the twentieth century. The collection includes notes, drafts, outlines, and typescripts for seven of Iams's mysteries, as well as several assorted items, such a book jacket proofs and page proofs.

Gordon Alexander Craig was an American historian specializing in German and diplomatic history who taught at Princeton and Stanford. The Gordon Alexander Craig Papers document several projects the historian was involved with while a professor at Princeton including the Marine Corps History Project for which Craig served as chairman of the editorial board, and the Princeton response to the loyalty oath controversy at the University of California in 1950-1951.

Consists of quarterly status reports and technical reports created by the Plastics Laboratory at Princeton University from 1946 to 1954. The Laboratory which was established in 1946 conducted basic research involving problems of a fundamental nature as well as towards the development of plastics and materials with specific properties.

Consists of select correspondence, dating from 1946 to 2011, of art historian Charles W. Millard (1932-2017) with artists such as Sir Anthony Caro, Helen Frankenthaler, Carl Chiarenza, Mark Hewitt, Nick George, Jules Olitski, and others.

The American Civil Liberties Union Records document the activities of the Union in protecting individual rights from 1920 through 1995. The files contain materials on freedom of speech, expression, and association; due process of law; equality before the law; legal case files; and organizational records. Within these categories files reflect subject areas such as academic freedom, censorship, racial discrimination, aliens' rights, privacy concerns, labor concerns, amnesty, and government loyalty and security. The files reflect work on litigation, advocacy and public policy, and subject files on various areas of interest connected with civil liberties. Materials include correspondence, court documents, memoranda, printed matter, minutes, reports, briefs, and legal files. Also included are materials from ACLU affiliate organizations, and the Lawyers Constitutional Defense Committee. Subgroup 2, Series 2 has been digitized and is available for members of the Princeton community to view here. To view the database from outside Princeton University, please see the Guide to the American Civil Liberties Union Records.

Alan Windsor Richards was a freelance photographer known for the images he captured of people and events associated with Princeton University from the mid-1940s through the late 1960s. The collection consists of photographic negatives and a very few photographic prints of images captured by Richards of Princeton University athletes and sports events.

Consists of manuscripts, correspondence, stenographer's notebooks, photographs, and nautical charts associated with Walter and Juanita Houk's years in Havana, Cuba, documenting their friendship with the Nobel prize-winning author Ernest Hemingway and his wife, Mary.

Consists of selected letters by M. F. K. Fisher, a prolific writer of books dealing with food and the culture of cuisine.

Philip Anderson was a condensed-matter theorist, Professor Emeritus of Physics at Princeton University, and Nobel laureate. This collection consists primarily of Anderson's research files, which include his article and book drafts, grant files, notes, memos and correspondence, a bound run of his talks and papers, and his research diaries and notebooks. To a lesser extent, the collection contains Nobel Prize nomination applications, recommendation letters, photographic prints, and ephemera.

The Rubber Development Corporation, Amazon Division Records (1942-1945) reflect Philip H. Williams' interests and concerns as manager of the Manaos Office in Brazil. As manager, Williams was called upon to play various roles including diplomat, manager and administrator. His fellow staff members were C. Homer McDuff–Acting General Manager, Mr. Swain–Accounting Department, H. A. Beck–Acting Manager, Manaos Office, George A. Seaman–Assistant to Mr. Williams, John Herman Neumann–Manager of Amazon Division and Douglas H. Allen–President of the Rubber Development Corporation. The bulk of this collection consists of copies from William's personal files. The majority of the collection is composed of correspondence, memoranda, reports, charts, photographs and newspaper clippings.