Letter from Gustav Mahler
Letter from Edvard Grieg
Autograph by Ignacy Jan Paderewski
Letter from Edna Ferber to Ellen Ballon, Sally Ryan, and Ralph Gustafson
Letter from Charles-Francois Gounod
Letter from Josef Hofmann to Ellen Ballon
Letter from Frank Cyril James to Ellen Ballon
Envelope from Sir Wilfrid Laurier to Ellen Ballon
Letter from Jules Émile Frédéric Massenet
Transcription of a letter from Felix Mendelssohn Bartholdy to J.H. Kufferath
Anna Eleanor Roosevelt's response to invitation from Ellen Ballon
Letter from William Somerset Maugham to Ellen Ballon
Letter from William Somerset Maugham to Ellen Ballon
Letter from William Somerset Maugham to Ellen Ballon, Sally Ryan, and Ryan Gustafson
Letter from William Somerset Maugham to Ellen Ballon
Troisieme scherzo pour le piano
Suite
Concerto no. 5 for piano, opus 82 : viole
Concerto no. 5 for piano, opus 82 : clarinetto primo in A
Concerto no. 5 for piano, opus 82 : clarinetto secondo in A
Concerto no. 5 for piano, opus 82 : corno primo
Märchen (Ritterzug), Op. 14, no. 2
Polonaise, Op. 71, no. 1 : [piano score]
Concerto para piano e orquestra : primiero e segundo clarinetes
Concerto para piano e orquestra : primiero e segundo fagotes
Concerto para piano e orquestra : terceiro e quarto Fa horns
Concerto para piano e orquestra : primiero e segundo trombone
Concerto para piano e orquestra : primiero violinos
Concerto para piano e orquestra : segundo violinos
Concerto para piano e orquestra : violas
Concerto para piano e orquestra : cellos
Publicity photograph of Ellen Ballon
Publicity photograph of Ellen Ballon
Publicity photograph of Ellen Ballon playing a piano
Publicity photograph of Ellen Ballon
Publicity photograph of Ellen Ballon
Photograph of Ellen Ballon, Fiorello H. LaGuardia, and unidentified man in uniform
Photograph of Ellen Ballon touring the West Point museum with cadets
Photograph of Ellen Ballon with West Point Military Academy cadets
Photograph of Ellen Ballon with Aaron Copland
Photograph of Ellen Ballon with unidentified woman
Photograph of Ellen Ballon with a piano
Prime Minister Wilfred Laurier : [autographed photograph]
Emma Albani : [autographed print]
Rafael Joseffy : [autographed photograph]
Ada L. Richardson : [autographed photograph]
Sydney Dalton : [autographed photograph]
Ellen Ballon performing the world premier of Heitor Villa-Lobos's Concerto No. 1 in Rio de Janeiro with Villa-Lobos conducting
Ellen Ballon in performance with Ernest Ansermet and the Orchestre de la Suisse Romande
Hugh Ross : [autographed photograph]