Aubrey Beardsley was an English draughtsman and author. The collection includes some of his Art Nouveau work, book illustrations, borders, chapter headings, title pages, and posters. Also included are various notes for his writing and holograph manuscripts of "Under the Hill" and "The Ivory Piece." Correspondence with friends and colleagues completes the collection.

The Auguste Rodin Collection contains over fifty Rodin letters, cards, telegrams, and notes, of which about half are in the hand of the sculptor.

This collection contains the manuscripts, correspondence, drawings, and other papers of twentieth-century Guatemalan author Augusto Monterroso, who spent most of his life as a writer in Mexico.

The Auxiliary to the Isabella McCosh Infirmary is a volunteer fundraising organization which supports Princeton University Health Services. Founded in 1902 as the Ladies Auxiliary to the Isabella McCosh Infirmary, the group has been responsible for shaping student health at Princeton University for over a century. The records contain meeting minutes, annual reports, correspondence, and subject files which pertain to the McCosh Infirmary, or to the organization itself.

Consists primarily of correspondence representing five generations of the Bache and Hodge families as well as members of the Scott and Wistar families of Princeton and Philadelphia.

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 selected letters by authors and publishers addressed to American reporter and editor Barton Currie and his wife, Florence.

Consists of photographs of Middle East scenes collected by Bayard Dodge, president of the American University in Beirut, Lebanon.

Among Princeton University traditions, the Beer Jacket worn by graduating seniors stands as one of the most unique and most enduring. The collection consists of materials documenting the evolution of beer jacket designs throughout the greater part of the 20th century.