Essays and addresses by Edward Payson White on topics including Union College, the English language, and African-Americans. Also includes several photographs.

Notebook containing "A Synopsis of Lichens, especially English, but also some American" (in Latin) and minutes of the short-lived Union College social group Symsmokium Speciale.

The Edwin W. Rice, Jr. papers include his writings and speeches, correspondence, photographs, and ephemera. Material documents his work in electrical engineering (culminating in his appointment as president of the General Electric Company) and his service as a trustee of Union College.

Bulletins of the Electric Power Club and National Electrical Manufacturers Association (NEMA) materials.

Letters from former Union College President Eliphalet Nott Potter to Judge James M. Smith written while Potter was President of Hobart College.

Black and white postcards of the Union College campus collected by Elizabeth L. Taylor, daughter of Civil Engineering Professor Warren Crosby Taylor. They include a particularly rich representation of early campus fraternity houses.

Organ recital programs featuring Union College Music Director Elmer A. Tidmarsh collected by John W. Van Laak.

The Engineering, Science, and Management War Training (ESMWT) Program records include enrollment reports, course outlines, class experiments, certificates awarded, budgets and accounts, statistics, correspondence, and other materials relating to the program.

Account book maintained by Ernest A. Lewald (Class of 1885) while a student at Union College.

The Ernst F. W. Alexanderson Papers document his pioneering electrical engineering work in radio and television at the General Electric Company. Files include reports, correspondence, notes, patent information, photographs, publications, and ephemera.

The Ernst J. Berg Papers document Berg's electrical engineering research and teaching at Union College, the University of Illinois, and General Electric. The collection primarily consists of correspondence, technical reports, technical notes, lectures, and writings.

Records pertaining to Erwin Miller's work with the Adirondack Mountain Club's Conservation Committee.

The Facilities Services Records contain construction and maintenance records created by Facilities Services and its predecessors (Campus Operations and Physical Plant), including drawings, reports, correspondence, proposals, and photographs.

Meeting minutes and related material recorded by Carl Niemeyer, Secretary of the Faculty Advisory Committee on Salary, Promotions, and Tenure.

Drafts, notes, memos, and other materials relating to the committee's final report "Faculty Effectiveness in Governance."

Minutes of faculty meetings (1805-1968) and a "Record of Discipline by the Faculty of Union College" (1799-1805). Also includes born-digital minutes for the years 1998-2021. Minutes are incomplete for the early 1970s and 1990s.

Incoming letters and expense reports relating to Felix Schwermer's engineering work in Brazil on behalf of the General Electric Company. Most letters are routine, but some personal letters from Samuel B. Fortenbaugh are included.

The Flickinger Family papers include correspondence, Shew House records, films, and ephemera.

Entries and related correspondence for the Florence E. Rich Prize (also known as the Mrs. Edwin L. Rich Prize) for the student with the best personal library.

Meeting minutes, correspondence, reports, and publications from the Forest Preserve Association of New York State. Many of the files were created by Association President Arthur E. Newkirk.

The Fran Rosevear papers consist primarily of drafts and research materials relating to his book Colvin in the Adirondacks.

Publications and ephemera relating to Francis E. Townley's (Class of 1937) time at Union College.

Collection consists mostly of Class of 1885 records (Frank E. Bradley, Treasurer), but also includes information about work done in the Jackson's Gardens.