for 2 Violas

for piano, violin and violoncello

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

for 2 violins, viola and violoncello

for 3 violoncellos

for piano and clarinett or violin

for oboe, clarinet, horn, bassoon, violin, viola, violoncello and double-bass

for Viola and Piano