Anton Rubenstein : [autographed photograph]
Concerto para piano e orquestra : tuba
Concerto para piano e orquestra : clarinete baixo
Concerto para piano e orquestra : [autograph manuscript]
Novellette : etude in seconds : op. 22, no. 1
Konzert etüde, op. 22 no. 1
Etude de concert, Op. 1, no. 1
Csárdás no. 2
Caprice de concert pour piano, Op. 4
Terceiro concerto de piano e orquestra : redução para dois pianos
Concerto para piano e orquestra : terceiro e quarto trombone
Concerto para piano e orquestra : primiero e segundo trombone
Concerto para piano e orquestra : primiero e segundo 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 fagotes
Concerto para piano e orquestra : primiero e segundo fagotes
In the rushes, Op. 12, no. 3
Weeping willows, Op. 12, no. 2
Soughing pines, Op. 12, no. 4
Titania's waltz, Op. 12, no. 1
Norman Dello Joio : [autographed photograph]
Hugh Ross : [autographed photograph]
Heitor Villa Lobos and Arminda Villa Lobos in New York
Rafael Joseffy and family : [autographed photograph]
Harold Bauer : [autographed photograph]
Publicity photograph of Ellen Ballon
Captain Victor Cazale : [autographed photograph]
Arthur Rubenstein in New York : [autographed photograph]
Raoul Pugno : [autographed photograph]
Alberto Jonás : [autographed photograph]
Murial Dundas : [autographed photograph]
Wilfrid Pelletier : [autographed photograph]
Izler Solomon : [autographed photograph]
Antal Dorati : [autographed photograph]
Alberto Erede : [autographed photograph]
Olin Downes : [autographed photograph]
William Schuman : [autographed photograph]
Rubin Goldmark : [autographed photograph]
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
Envelope from William Somerset Maugham to Ellen Ballon
Letter from William Somerset Maugham to Ellen Ballon, Sally Ryan, and Ryan Gustafson
Envelope from William Somerset Maugham to Ellen Ballon
Envelope from William Somerset Maugham to Ellen Ballon, Ryan Gustafson, and Sally Ryan
Letter from William Somerset Maugham to 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 and Sally Ryan