...forthcoming from cpo:
https://www.jpc.de/jpcng/cpo/detail/-/art/ludwig-thuille-kammermusik/hnum/7136601 (https://www.jpc.de/jpcng/cpo/detail/-/art/ludwig-thuille-kammermusik/hnum/7136601)
Included are the Cello Sonata, both Violin Sonatas and a Trio for piano, violin and viola.
The fully mature works are the Cello Sonata, Op.22 and Violin Sonata No.2, Op.30, which are both marvellous pieces (recorded before, but making a welcome re-appearance here).