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.
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.
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.