Trois mazourkas pour le piano
Telegram from Isidore Ballon to Ellen Ballon
Suite
Newspaper article on Sir Jacob Epstein's bust of Ellen Ballon
Letter from Yehudi Menuhin to Ellen Ballon
Letter from Wilhelm Backhaus to Ellen Ballon
Letter from Walter de Mouilpied Scriver to Ellen Ballon
Letter from Major John White Hughes Bassett to Ellen Ballon
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
Concerto for piano and orchestra : [performance guidelines]
Anton Rubenstein : [autographed photograph]
Anna Eleanor Roosevelt's response to invitation from Ellen Ballon