Fischer, K. v. (1982). Hindemith's Early Songs for Voice and Piano. Proceedings of the Royal Musical Association.
Lua i Stíl Chicago (17ú heag.)Fischer, Kurt von. "Hindemith's Early Songs for Voice and Piano." Proceedings of the Royal Musical Association 1982.
Lua MLA (8ú heag.)Fischer, Kurt von. "Hindemith's Early Songs for Voice and Piano." Proceedings of the Royal Musical Association, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.