The Bache and Wistar Family Collection consists of correspondence between several members of the Bache and Wistar families of Philadelphia, Pa.

Consists for the most part of California "Gold Rush" papers (1849-1852) of several members of the Baldwin family of Utica, N.Y. Images of this collection are also available online at Digital PUL.

Consists of correspondence, photographs, and printed matter concerning the Baron and Baroness Hyde de Neuville.

Consists of over 100 cartons and boxes containing correspondence, legal documents, photographs, printed matter, and other material, which document both the careers and personal lives of Princeton graduates Daniel Moreau Barringer and his son, Brandon Barringer. Much of the material about Daniel Moreau Barringer focuses on the Meteor Crater in Arizona, which he spent a large part of his career studying and promoting.

Consists of correspondence, accounts, receipts, and other financial and legal documents related to the settlement of the estate of the Bartlett family of Philadelphia, Pennsylvania.

The Bayard Family Papers, dating from 1801 to 1915, document Ann Caroline Bayard (1797-1871) and her politically active family who lived and worked in the mid-Atlantic area. Her father, James Ashton Bayard (1767-1815); two brothers, Richard Henry Bayard (1796-1868) and James Asheton Bayard (1799-1880); and nephew, Thomas Francis Bayard (1828-1898) served in the United States Senate and their acquaintances appear to have been involved in the family's social circles, of which Ann Caroline Bayard was an active and important part. This collection consists of correspondence to Ann Caroline Bayard and other family members, legal records, photographs, and genealogical information regarding the Bayard family.

Consists of works, correspondence, and printed matter of Benedict Jaeger, professor of natural history and modern languages at Princeton (1832-1843), as well as some papers of others.

Consists mainly of correspondence and legal documents of Benjamin Harris Brewster (Princeton Class of 1834), much of it related to the Star Route prosecutions during Brewster's tenure as attorney general under President Chester Alan Arthur.

Consists mostly of papers from a family album of American Revolutionary intelligence officer Benjamin Tallmadge (1754-1835) relating to his Revolutionary War experience.

Consists of miscellaneous material of Johann Wolfgang von Goethe, German poet/dramatist/man of letters, collected by Benno Elkan.