File contains correspondence and a certificate from the Secretary of the Board of Governors of McGill University regarding the proceeds from the Martlet Concert and Ball as well as Ellen Ballon's general support of the McGill music program.
File contains a letter from Walter de Mouilpied to Ellen Ballon, written on September 30, 1952. The letter thanks Ballon for a performance she gave at an honorary dinner. Item is accompanied by the stamped envelope in which Ballon received the letter. The postage stamp has been removed from the envelope.
File contains a letter from Yehudi Menuhin to Ellon Ballon written on December 2, 1957. The letter concerns a performance by Ellen Ballon in Montreal. Item is accompanied by the Ritz Carlton Montreal envelope in which Ballon received the letter.
File contains letters from the Canadian Prime Minister to Ellen Ballon, primarily concerning the progress of her musical education and her performances.