This group of material relates to five generations of the Trenton branch of the Scudder family. The first generation is represented by Richard Betts Scudder (1670-1754) with an appointment as lieutenant in a British company of foot soldiers in Burlington County from 1711 and two inventories relating to his Trenton estate, both dating 1754. For Richard Betts Scudder's grandsons Daniel Scudder (1736-1811) and Amos Scudder (1739-1824), there is an indenture dating 1770. Daniel Scudder's grandsons, John Scudder (1796-1840), Jasper Smith Scudder (1797-1877), and Abner Scudder (1800-1878), are represented by two indentures as well as a receipt for a slave named Samuel Conover, all dated 1825. Edward Wallace Scudder (1822-1893), son of Jasper Smith Scudder, is represented in two documents: a print of the members of the Supreme Court of the State of New Jersey in 1886 and an invitation to a World's Columbian Exposition event in 1892. Finally, the class notebooks of Wallace M. Scudder (1853-1931), son of Edward Wallace Scudder, are present in the collection and provide information regarding his training as an engineer at Lehigh University, circa 1869 to 1873, and his training as a lawyer at Harvard University from 1879 to 1881. The last items in this group of materials are a draft and final version of an article for the newsletter titled "The Scudder Association, Inc.," dating 1983. This newsletter and the drafts contain biographical information on Edward Wallace Scudder (1822-1893), Wallace McIlvaine Scudder (1853-1931), and Edward Wallace Scudder, II (1882-1953).

Westfield, New Jersey, was part of Elizabethtown from the time it was settled in late 1664 until 1794, when the Township of Westfield was created. The New Jersey Documents Collections, 1601 to 1983, consists of New Jersey legal documents, the bulk of which are from the town of Westfield, Union County, and include land records, financial records, estate records, and court records, many of which were created by various members of the Baker, Downer, Hetfield, Johnson, Miller, Pierson, Ripley, Ross, and Woodruff families. The majority of the collection material dates from 1750 to 1890.

Consists of correspondence and documents of Jonathan Belcher, dating from his early years in Massachusetts to his days as colonial governor of New Jersey.

Mary Mapes Dodge was an author and editor of St. Nicholas magazine. This collection consists of manuscripts and correspondence concerning St. Nicholas, and correspondence, documents, photographs, and memorabilia relating to the Dodge family.

Series 1 consists of proposals and surveys compiled by the Office of Occupational Health and Safety in regards to radiation safety measures taken to protect workers and researchers at the Princeton-Pennsylvania Accelerator, a particle research facility that operated on Forrestal Campus from 1957 to 1971.

Consists of the correspondence of Alfred Marshall Mayer, his son Alfred Goldsborough Mayer, and Alpheus Hyatt with individuals such as Carl Barus, Anton Julius Carlson, and Charles Eugene Delauney, as well as others.

Consists of copies of fundamental legal instruments of government (1664-1961) under which people have lived in New Jersey for the last 300 years, gathered by historian, Julian P. Boyd, for the book Fundamental Laws and Constitutions of New Jersey (1964), which he edited.

Consists of a collection compiled by American clergyman Stewart M. Robinson (Princeton Class of 1915), including photostats of sermons, letters, pamphlets, and communications to newspapers by clergymen in colonial America, which he used as research material for a proposed book entitled "The Political Thought of the Colonial Clergy."

Consists of the letters of individuals such as George Pierce Baker, Benjamin Harris Brewster, Andrew Carnegie, Samuel Langhorne Clemens, and Theodore Roosevelt, as well as others.