All just my personal opinion
Chopin: Piano Concerto in E minor, op.11 — comparing recordings with the following artists: Argerich/Abbado (1967), Askenase/Otterloo (1960), Avdeeva/Wit (2010), Avdeeva/Brüggen (2012), Rubinstein/Barbirolli (1937), Rubinstein/Wallenstein (1953), Rubinstein/Skrowaczewski (1961)
Chopin: Piano Concerto F minor, op.21 — comparing recordings with the following artists: Askenase/Ludwig (1963), Avdeeva/Brüggen (2012), Haskil/Markevich (1960), Rubinstein/Barbirolli (1931), Rubinstein/Steinberg (1946), Rubinstein/Wallenstein (1958), Rubinstein/Ormandy (1968)
Heitor Villa-Lobos in Rubinstein’s Recording Repertoire: “Alegría na horta” from the “Suíte floral” op.97; piano suite “A Prole do Bebê”
Rubinstein’s Recorded Spanish Solo Repertoire: Music by Isaac Albéniz (“Sevilla” from Suite española, op.47; “Cordoba” from Chants d’Espagne, op.232; “Evocación”, “Triana” and “Navarra” from Iberia), Enrique Granados (“Quejas, ó la maja y el ruiseñor” from Goyescas, op.11), and Manuel de Falla (mostly encores)
Rubinstein’s Recording Repertoire: Joseph Haydn, Andante con Variazioni in F minor, Hob.XVII:6 — Rubinstein, Buchbinder, Schornsheim, Staier;
Felix Mendelssohn, “Spinnerlied”
Mozart: Piano Concerto No.17 in G major, K.453 — comparing recordings with the following artists: Géza Anda (1962), Vladimir Ashkenazy (1977), Daniel Barenboim (1968), Kristian Bezuidenhout/Petra Müllejans (2012), Arthur Rubinstein/Alfred Wallenstein (1962), Andreas Staier (1995)