Originalno: Saint-Saens, Camille. Rissland, Karl Publisher. Le cygne. The Swan. From "Le Carnaval des animaux". Saint-Saens, Camille.
Prevod: Swan. Swan. Piano, Violin, Cello. Boston. Ditson, 1917. Avtorske pravice. Public Domain Annotate to notno ravni usposobljenosti.