This collection consists of the papers received and generated by the staff of the Washington, D.C. Office of the American Civil Liberties Union (ACLU) during the 1950s and 1960s. The ACLU is a leading defender of civil liberties in the United States. Founded in 1920, it has been the recipient of sharp criticism for its willingness to defend unpopular causes and has participated in a majority of the landmark cases to come before the Supreme Court in the twentieth century. The Washington Office's primary responsibility is to monitor legislative issues. In the 1950s the office worked against abuses caused by McCarthyism, including loyalty oath requirements, powers of legislative investigating committees, and censorship of free speech and expression. In the late 1950s and early 1960s, the office focused on civil rights issues and the defense of alternative means of self expression. The Washington Office was also deeply involved with defending the civil liberties of those associated with the federal government and its agencies.

Consists of drafts of, and material related to, American author Paul Blanshard's American Freedom and Catholic Power (1949)

The organization that became Americans United for Separation of Church and State was founded in 1947 to protect church-state separation and religious freedom, as well as to educate lawmakers, religious leaders, and the general public regarding Constitutional religious liberties. The records document the administration and issues of the organization from its founding and include correspondence, meeting materials, and publications.

Ananda K. Coomaraswamy was a noted art historian and champion of Ceylonese and Indian culture. This collection covers a broad spectrum of Ananda K. Coomaraswamy's work in the fields of art history, philosophy, religion, and social criticism.

The Papers of Andrew C. Imbrie, Class of 1895, (1875-1965) provide information on his undergraduate years, his service as an alumni trustee from 1907 until 1912 (including a period as Financial Secretary of the Princeton University Board of Trustees (1909-1912) during which he had charge of reorganization of the business management of the University leading to the creation of what became the Office of the Controller) and his family's genealogy.

Consists of an open collection of photographs by Prokopiou.

Consists of miscellaneous papers of George M. L. La Branche relating to angling.

Anne Martindell was one of the first three women to serve in the New Jersey State Senate. After her four-year term ended in 1977, she served as director of the Office for Foreign Disaster Assistance, and was ambassador to New Zealand and Western Samoa for a two-year term. The papers document her career in politics and civil service, and also contain her unpublished memoirs and personal papers.

Consists chiefly of correspondence between artist Annette Covington and Princeton professor and dean Luther P. Eisenhart, and papers relating to the "Baconian" theory of the authorship of Shakespeare's plays.

The President of the University is charged with the general supervision of the interests of the University and with special oversight of the departments of instruction. This collection consists of the collected reports to the President prepared annually by each academic department and administrative office.