Seligman, SybilBeinecke Rare Book and Manuscript Library1919 Apr 6engALS, Torre del Lago, to Seligman, London, about the engagement of a conductor and singers for Il trittico at Covent Garden, discussing Henry Vincent Higgins, Thomas Beecham, Arturo Toscanini, Margaret Sheridan, and Marie-Louise Edvina. Includes address leaf.