All just my personal opinion
Beethoven: Piano Sonata No.15 in D major, op.28, “Pastoral” — comparing recordings with the following artists: Wilhelm Backhaus (1961), Paul Badura-Skoda (1969), Daniel Barenboim (1984), Ronald Brautigam (2005), Emil Gilels (1982), Friedrich Gulda (1967), Artur Schnabel (1935)
Mendelssohn: Piano Trio No.1, op.49 — comparing recordings with the following artists: Rubinstein/Haifetz/Piatigorsky (1950) / Trio Wanderer (2006) / Voces Intimae (2012)
Comparing recordings with the following artists: Trio Wanderer (2006) / Voces Intimae (2012); includes a brief view on a YouTube recording with Yuja Wang, Leonidas Kavakos, and Gautier Capuçon
Franz Schubert — Lieder, *not* recorded by Fischer-Dieskau: interpretations by Ferrier/Walter (1949), Wunderlich/Giesen (1965), Price/Sawallisch/Schöneberger (1981), Haefliger/Dähler (1987)
Comparing recordings with the following artists: Géza Anda, Camerata Academica (1962) / Vladimir Ashkenazy, Philharmonia Orchestra (1978) / Daniel Barenboim, English Chamber Orchestra (1971), Kristian Bezuidenhout, Petra Müllejans, Freiburger Barockorchester (2012)
Rubinstein’s Solo Recording Repertoire: Mozart: Rondo in A minor, K.511 (in comparison with Walter Gieseking, Ronald Brautigam, and Kristian Bezuidenhout);
Rachmaninoff: Prélude in C♯ minor from “Morceaux de fantaisie” op.3;
Szymanowski: 5 Mazurkas from op.50