LORENZ, Franz. Franz Gläser: Autobiographie - Erinnerungen an Beethoven . Die Musikforschung, [S. l.], v. 31, n. 1, p. 43–46, 1978. Disponível em: https://mf.publia.org/mf/article/view/1770. Acesso em: 29 mai. 2026.