William Schuman : [autographed photograph]
Weeping willows, Op. 12, no. 2
Virgil Thomson : [autographed photograph]
Titania's waltz, Op. 12, no. 1
The McGill News : Ellen Ballon and Pauline Donalda receiving honorary doctorates from McGill University
Terceiro concerto de piano e orquestra : redução para dois pianos
Suite
Soughing pines, Op. 12, no. 4
Rubin Goldmark : [autographed photograph]
Olin Downes : [autographed photograph]
Novellette : etude in seconds : op. 22, no. 1
Märchen (Ritterzug), Op. 14, no. 2
Lotte Lehmann, Dr. Ross Flemington, and Ellen Ballon at Mount Allison University : [photograph]
Letter from Sir Wilfrid Laurier to Ellen Ballon
Letter from Sir Wilfrid Laurier to Ellen Ballon
Letter from Sir Wilfrid Laurier to Ellen Ballon
Letter from Sir Wilfrid Laurier to Ellen Ballon
Letter from Sir Wilfrid Laurier to Ellen Ballon
Letter from Sir Wilfrid Laurier to Ellen Ballon
Letter from Sir Wilfrid Laurier to Ellen Ballon
Letter from Sir Wilfrid Laurier to Ellen Ballon
Letter from Sir Wilfrid Laurier to Ellen Ballon
Letter from Sir Wilfrid Laurier to Ellen Ballon
Letter from Sir Wilfrid Laurier to Ellen Ballon
Letter from Frank Cyril James to Ellen Ballon
Letter from Frank Cyril James to Ellen Ballon
Konzert etüde, op. 22 no. 1
Izler Solomon : [autographed photograph]
In the rushes, Op. 12, no. 3
Group photograph including Dr. David Thomson, Samuel Bronfman, Mrs. Bronfman, Sir Ernest MacMillan, and Ellen Ballon
Etude de concert, Op. 1, no. 1
Ernest MacMillan : [autographed photograph]
Envelope from Sir Wilfrid Laurier to Ellen Ballon
Douglas Clarke, Ellen Ballon, Frank Cyril James, and unknown man : [photograph]
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]
Caprice de concert pour piano, Op. 4
Anton Rubenstein : [autographed photograph]
Antal Dorati : [autographed photograph]
Alberto Erede : [autographed photograph]
Abram Chasins : [autographed photograph]