Oswald (Uswalt, Ußwaldt), (Johann) Andreas junior
Sonata | A 2 Violino, è [Viola] di gamba and basso continuo
D-W, Cod. Guelf. 34.7 Aug.2° (Jakob Ludwig Partitur Buch), n° 48, pp. 74-75
The full instrumental indication Viola di gamba is not found in the title of the sonata itself, but rather in the corresponding index entry.
Michael Fuerst, The Partiturbuch Ludwig: An Introduction and Thematic Catalogue, «The Viola da Gamba Society Journal», 4 (2010), pp. 74-102. http://vdgs.org.uk/journal/Vol-04.pdf