Fonds contains correspondence, musical scores (piano and orchestral), photographs, a sketch, harmony notebooks, fliers, programs, newspaper clippings, academic journals, a press book, scrapbooks, and letters of composers. The musical scores include several first edition copies and autograph manuscripts. All personal correspondence is incoming correspondence; no outgoing correspondence is included in this fonds.
File contains a newspaper article on Ballon's performance at the Prom concert series in London, England, and two pages of photocopied news articles on the same performance.
Series contains newspaper clippings about Ellen Ballon. Clippings include articles about a variety of subjects, including Ellen Ballon's life in general, concerts, and her hobbies.