[1]. Compare Ferdinand Praeger’s “Wagner as I knew Him,” Chaps. XIV. and XV., with “1849: A Vindication,” by W. Ashton Ellis. See also letter of Aug. 9, 1849, to Theodore Uhlig. [Letters to Uhlig, Fischer, and Heine, London, H. Grevel & Co.]
[2]. “Correspondence of Wagner and Liszt,” Vol. I., p. 77. H. Grevel & Co., London.
[3]. “You are a truly wonderful man, and your Nibelungen poem is surely the most incredible thing which you have ever done.”—Letter of Liszt, Feb. 20, 1853.
[4]. See Praeger’s “Wagner as I knew Him,” Chaps. XVIII. and XIX., for full account of this visit.
[5]. “Richard Wagner; his Life and Works,” by Adolphe Jullien. Boston, J. B. Millet Co.
[6]. “Production of ‘Tannhäuser’ in Paris,” Wagner, translated by E. L. Burlingame, in “Art Life and Theories of Wagner.” Henry Holt & Co.
[7]. “Wagner,” by Edward Dannreuther, in Grove’s Dictionary of Music. Also “The ‘Parsifal’ of Richard Wagner,” by Maurice Kufferath.
[8]. “Studies in Modern Music,” by W. A. Hadow. Macmillan & Co.
[9]. “Studies in the Wagnerian Drama,” by H. E. Krehbiel. Harper & Bros.