1. Adorno, Theodor W. Mahler: A Musical Physiognomy. Translated by Edmund Jephcott. Chicago: University of Chicago Press, 1992.
2. Almén, Byron. “The Sacrificed Hero: Creative Mythopoesis in Mahler's Wunderhorn Symphonies.” In Approaches to Meaning in Music, edited by Byron Almén and Edward Pearsall, 135–69. Bloomington: Indiana University Press, 2006.
3. Barham, Jeremy. “Mahler's verkehrte Welt: Fechner, ‘Learned Satire’ and the Third Movement of Symphony No. 3.” In Mahler im Kontext / Contextualizing Mahler, edited by Erich Wolfgang Partsch and Morten Solvik, 177–206. Vienna: Böhlau, 2011.
4. Bauer-Lechner, Natalie. Gustav Mahler in den Erinnerungen von Natalie Bauer-Lechner. Edited by Herbert Killian, with notes by Knud Martner. Rev. ed. Hamburg: Karl Dieter Wagner, 1984. First published 1923 as Erinnerungen an Gustav Mahler.
5. Bauer-Lechner, Natalie. Recollections of Gustav Mahler. Edited by Peter Franklin. Translated by Dika Newlin. London: Faber and Faber, 1980.