Consists primarily of manuscripts and correspondence of author Evelyn Schuyler Schaeffer (1846-1942). Also included in the collection are the papers of her father, George Washington Schuyler (1810-1888), and her maternal uncle, Charles Scribner (1821-1871), founder of the publishing firm Charles Scribner's Sons.

Consists of photocopies of a Tewa-speaking tribe's documents from the archive of the governor of San Juan Pueblo, New Mexico, including leases, operating accounts, financial statements, contracts, and notices. There are also three open-reel audiotapes containing recordings of songs from the Hopi, San Juan, and Zuni peoples.

Consists of drafts, manuscripts, research files, correspondence, artwork, and other related materials of American musician, poet, writer, artist, and activist Ed Sanders.

Consists of Xerox copies of works and correspondence by William Cowper collected by Princeton professor and scholar Charles Ryskamp, as well as correspondence, notebooks, and miscellaneous material of Neilson Campbell Hannay, another Cowper scholar and collector.

Norman B. Ryder (1923-2010) was a demographer and sociologist who specialized in fertility studies and established the cohort approach to demographic study. The Ryder papers contain his working research notes, drafts, and publications, as well as correspondence and administrative papers from Ryder's teaching career.

The papers consist primarily of records maintained in William Fitts Ryan's congressional office in Washington, D.C. his district office in New York City, and campaign materials.

Consists of personal papers of American astronomer Henry Norris Russell (Princeton Class of 1897), including notes kept by Russell as a student at Princeton (1894-1898), lecture notes when a professor at Princeton, and working notes on scientific and military problems.

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.