Letter from William Somerset Maugham to Ellen Ballon, Sally Ryan, and Ryan Gustafson
Letter from Walter de Mouilpied Scriver to Ellen Ballon
Letter from Frank Cyril James to Ellen Ballon
Suite
Letter from Major John White Hughes Bassett to Ellen Ballon
Letter from Josef Hofmann to Ellen Ballon
Letter from Frank Cyril James to Ellen Ballon
Terceiro concerto de piano e orquestra : redução para dois pianos
Letter from Yehudi Menuhin to Ellen Ballon
Letter from Lotte Lehmann to Ellen Ballon
Telegram from Isidore Ballon to Ellen Ballon
Newspaper article on Sir Jacob Epstein's bust of Ellen Ballon
