Since you are interested in Beethoven: The Violin Sonatas, here is a list of other items that you may find interesting.
JOSEPH HAYDN / C.P.E. BACH
Haydn & CPE Bach: Cello Concertos
Steven Isserlis (cello), The Deutsche Kammerphilharmonie Bremen
[ Hyperion / CD - released 1/Sep/2017 ]
"Isserlis's 1998 recording [of the Haydn] remains classy stuff, but this has superbly trumped it." Gramophone Disc of the Month Awards Issue 2017