for 2 Violas

for piano, violin and violoncello

for 2 Violins and Viola

6 concerti a tre op. 1/3+4, for 2 violins and bc.

Contrasti for viola solo

for Englishhorn and Piano

for 2 treble recorders (flutes), 2 violins, viola and bc.

for englishhorn, violin, 2 violas and cello, or string quaret