Letter from Lotte Lehmann to Ellen Ballon
Terceiro concerto de piano e orquestra : redução para dois pianos
Envelope from William Somerset Maugham to Ellen Ballon
Envelope from William Somerset Maugham to Ellen Ballon, Ryan Gustafson, and Sally Ryan
Concerto para piano e orquestra : clarinete baixo
Letter from William Somerset Maugham to Ellen Ballon
Letter from William Somerset Maugham to Ellen Ballon
Letter from William Somerset Maugham to Ellen Ballon
Concerto para piano e orquestra : primiero e segundo fagotes
Letter from William Somerset Maugham to Ellen Ballon and Sally Ryan
Concerto para piano e orquestra : primiero e segundo fagotes
Letter from William Somerset Maugham to Ellen Ballon
Letter from William Somerset Maugham to Ralph Gustafson, Sally Ryan, and Ellen Ballon
Letter from William Somerset Maugham to Sally Ryan and Ellen Ballon
Letter from William Somerset Maugham to Ellen Ballon
Anna Eleanor Roosevelt's response to invitation from Ellen Ballon
Konzert etüde, op. 22 no. 1
Novellette : etude in seconds : op. 22, no. 1
Etude de concert, Op. 1, no. 1
Csárdás no. 2
Soughing pines, Op. 12, no. 4
Titania's waltz, Op. 12, no. 1
Weeping willows, Op. 12, no. 2
In the rushes, Op. 12, no. 3
Caprice de concert pour piano, Op. 4
Anton Rubenstein : [autographed photograph]