Sonata à 4 for 2 violins, Viola da Gamba, Gamba and basso continuo
CZ-KRa A 631
Strümper, Viennese music with viols
The part for Viola da Gamba is notated in soprano clef and has a range of a-e’’, so it could fit an alto-tenor or even a treble viol. The part for Gamba is written in bass clef and has a normal bass viol range.
Marc Strümper, Die Viola da gamba am Wiener Kaiserhof, Tutzing, Schneider, 2004, pp. 282-283