All just my personal opinion
Beethoven: Sonata for Piano and Violin No.3 in E♭ major op.12/3 — comparing 9 recordings: Busch/Serkin (1933), Capuçon/Braley (2009), Faust/Melnikov (2008), Grumiaux/Haskil (1956), Kremer/Argerich (1985), Menuhin/Kempff (1970), Mullova/Bezuidenhout (2010), Oistrakh/Oborin (1962), Perlman/Ashkenazy (1974)
Beethoven: Sonata for Piano and Violin No.2 in A major, op.12/2 — comparing 7 recordings: Capuçon/Braley (2009), Faust/Melnikov (2008), Grumiaux/Haskil (1956), Kremer/Argerich (1985), Menuhin/Kempff (1970), Oistrakh/Oborin (1962), Perlman/Ashkenazy (1973)
Beethoven: Violin Sonata No.1 in D major, op.12/1 — comparing 7 recordings: Capuçon/Braley (2009), Faust/Melnikov (2008), Grumiaux/Haskil (1957), Kremer/Argerich (1985), Menuhin/Kempff (1970), Oistrakh/Oborin (1962), Perlman/Ashkenazy (1975)