Original: Klavierwerke zu 4 Handen. Grosse Sonate in c, Op. 122 - c-Moll. Fantasie, Op. 79. Gesamtausgabe, Bd. 37. Piano sheet music.
Translation: Works for piano 4 hands. Complete Edition, Vol. 37. Josef Gabriel Rheinberger. Works for piano 4 hands. Complete Edition, Vol. 37.