File contains the following letters:
- To Helen Lenoir regarding American rights, 1884.
- To Mr Lowenfeld from Helen Carte regarding the rights to His Excellency, 1909.
- To Mr Steert regarding the American rights for the Gilbert and Sullivan operas. Possibly from Lucy Gilbert, 1909.
- Correspondence between the National Broadcasting Company of the United States and Rupert D'Oyly Carte regarding the international rights to Sullivan's works, 1931.