R. Schumann: Minnespiel (4 songs, 2 duets, 2 quartets), Op. 101

G. Schirmer

50 Selected Songs by Schubert, Schumann, Brahms, Wolf & Strauss

Options: High Voice, Low Voice

Edition Peters

Schumann: 34 Duets for 2 Voices and Piano

Schott

Schumann: Works for Solo Voice

Options: Full Score, Critical Commentary

Complete Works Series VI - Volume 9