弦楽四重奏

5 German (score)
with Coda and 7 Trios

5 German (set of parts in groups)
with Coda and 7 Trios

5 Intermezzi op. 10 [set of parts]

5 Pieces for String Quartet

5. String Quartet

5e Quatuor à cordes

5th String Quartet

6 Bagatellen op. 9 (miniature score)

6 Bagatellen op. 9 (set of parts)

6 Quartette op. 21

6 String Quartets Op. 3, Vol. 2 (4-6)

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

7 Bagatellen
for string quartet

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

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

9 String Quartets
9 ausgewählte

9. Streichquartett = String Quartet No. 9
Beethoven-Study IV

99 Bars for Barbara
String Quartet No. 4, with a Viola Solo for the new instrument