viola

6 Duette op. 8

6 Duettinos op. 37

6 Duos op. 19

6 Konzertante Duos

6 Nocturnes Op. 186

6 Pièces romantiques
en trio pour jeunes altistes

6 Skizzen
Libelli Dodecaphonici

6 Sonatas Hob.VI: 1-6 Book 2

6 Sonatinen [viola and basso continuo]
Viola arrangement and figured bass by Wolfgang Birtel

6 String Quartets, vol. 1
in A major, C major

6 String Quartets, vol. 2
in B major, F major

6 String Quartets, vol. 3
in G major, Eb major

6 Suites ( Violoncello )

6 Suites for Viola (originally for Cello)

60 Etüden = Studies Op. 45 (arr. Viola)

7 Bagatellen
for string quartet

7. Streichquartett = 7th String Quartet
Beethoven-Study II

8 Aspects Of Appreciation

8 Stücke op. 44/3 (score)
für zwei Violinen, Viola, Violoncello und Kontrabass

8. Streichquartett = String Quartet No. 8
Beethoven-Study III