The Thesa Jolly family papers (1951-2016, bulk 1970-1974), consist of correspondence, articles, clippings, postcards, brochures, slides, photos, books, and ephemera created and collected by Thesa Jolly and relating predominantly to her time in the Peace Corps in Korea and also well to her father, Marine Corps Lieutenant Donald Jolly. The majority of the material is comprised of correspondence in the form of written letters and cards, largely from Thesa to Donald and her mother, and brochures, guides, memos, clippings, and articles mainly relating to the Peace Corps with some items specific to Donald Jolly's military career.

The collection also consists of ephemera in the form of stamps, handkerchiefs, framed artwork, flower patches, a Ten Won note, parchment, a plaque, travel related items, postcards, yearbooks, and the Korean game Yoot. The remainder of the collection comprises some photos and slides, a few financial documents, a syllabus, and a copy of the Holy Bible belonging to Donald Jolly (inscribed and annotated).