Several pieces appear to be unpublished, so finding a recording would be near nil, unless a musicologist has gone and photocopied
* some manuscripts.
Will we ever hear:
String Quintet from 1894
Sonata in F, Op.25, for 2 violins & piano, from 1943
String Trio in a, Op.32 in a, from 1945
Cello Sonata in G, Op.30, from 1945
Duo in g, Op.33 for violin & cello, from 1946
Introduzione e balletto, Op.35 for violin & cello, also from '46
* and corrected