Letter from Lotte Lehmann to Ellen Ballon
Letter from Josef Hofmann to Ellen Ballon
Letter from Edna Ferber to Ellen Ballon, Sally Ryan, and Ralph Gustafson
Konzert etüde, op. 22 no. 1
Izler Solomon : [autographed photograph]
In the rushes, Op. 12, no. 3
Hugh Ross : [autographed photograph]
Heitor Villa Lobos and Arminda Villa Lobos in New York
Harold Bauer : [autographed photograph]
Etude de concert, Op. 1, no. 1
Envelope from William Somerset Maugham to Ellen Ballon
Envelope from William Somerset Maugham to Ellen Ballon
Envelope from William Somerset Maugham to Ellen Ballon, Ryan Gustafson, and Sally Ryan
Ellen Ballon with unknown woman at the opening of the Metropolitan Opera
Csárdás no. 2
Concerto para piano e orquestra : tuba
Concerto para piano e orquestra : terceiro e quarto trombone
Concerto para piano e orquestra : terceiro e quarto Fa horns
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 e segundo trombone
Concerto para piano e orquestra : primiero e segundo fagotes
Concerto para piano e orquestra : primiero e segundo fagotes
Concerto para piano e orquestra : clarinete baixo
Concerto para piano e orquestra : [autograph manuscript]
Captain Victor Cazale : [autographed photograph]
Caprice de concert pour piano, Op. 4
Arthur Rubenstein in New York : [autographed photograph]
Anton Rubenstein : [autographed photograph]
Antal Dorati : [autographed photograph]
Anna Eleanor Roosevelt's response to invitation from Ellen Ballon
Alberto Jonás : [autographed photograph]
Alberto Erede : [autographed photograph]