1. ^Laura Williams Macy The Grove Book of Opera Singers 2008 - Page 274 In 1885 Lehmann broke her contract with the Berlin Hofoper and went to New York, where she made her début at the Metropolitan ... American performance of Karl Goldmark's Die Königin von Saba, Berthe in Le prophète, Marguerite in Faust, Irene in Rienzi and Venus in Tannhäuser. She took part in the first New York performances of Tristan und Isolde (1886), Goldmark's Merlin (1887), Siegfried (1887) ..."
2. ^David Ewen Musicians since nineteen hundred: performers in concert 1978 Page 186 - -"Damrosch was assigned the American premieres of Karl Goldmark's Merlin on January 3, 1887, and Cornelius's The ..."