| String Quartets nos. 1-4 | Arnold Schoenberg; Kolisch Quartet | 2×CD | 8 + 11 | | ARC-103/04 | 4015023901032 |
| Das Lied von der Erde | Gustav Mahler; Carl Schuricht, Kerstin Thorborg, Carl Martin Öhmann, Concertgebouworkest | CD | 6 | | ARCH-3.1 | 4015023000315 |
| Janáček: Sinfonietta / Bartók: Concerto for Viola and Orchestra / Schoenberg: Verklärte Nacht | Janáček, Bartók, Schoenberg; William Primrose, Concertgebouworkest, Klemperer | Digital Media | 8 | | | |
| Klemperer Rarities: Amsterdam, Vol. 2 (Live Recordings 1951) | Otto Klemperer | 2×Digital Media | 10 + 12 | | | 4260294899995 |
| Klemperer Rarities: Berlin, Vol. 1 | Otto Klemperer & RIAS‐Symphonie‐Orchester | Digital Media | 10 | | | 4260294891357 |
| Moussorgsky: Pictures at an Exhibition / Liszt: The Huns | Moussorgsky, Liszt; Ernest Ansermet, Orchestre de la Suisse Romande | CD | 16 | | ARC-WU179 | [none] |
| String Quartets | Debussy, Ravel; Rudolf Kolisch, Pro Arte Quartet | CD | 14 | | ARC-WU202 | [none] |
| Symphonies Nos. 5 & 6 | Beethoven; Wiener Symphoniker, Otto Klemperer | Digital Media | 10 | | | 4260294892095 |
| Scherchen conducts Beethoven Overtures (I) | Beethoven; Scherchen, Vienna State Opera Orchestra | Digital Media | 6 | | ARC-WU226 | [none] |
| Scherchen conducts Beethoven Overtures (II) | Beethoven; Scherchen, Vienna State Opera Orchestra | Digital Media | 4 | | ARC-WU227 | [none] |
| Klemperer Live: Vienna, Vol. 2 — Concert 8 March 1956 (Live Historical Recording) | Otto Klemperer & Wiener Symphoniker | 2×Digital Media | 12 + 5 | | | 4260294892323 |
| Vienna, Vol. 1: Concert 21 June 1955 | Mozart, Mahler; Wiener Symphoniker, Klemperer | 2×CD | 6 + 6 | | ARC-WU 231 | |
| Otto Klemperer Conducts the Concertgebouw Orchestra | Concertgebouw Orchestra, Otto Klemperer | 24×Hybrid SACD (SACD layer, 2 channels) | 9 + 11 + 10 + 5 + 6 + 5 + 5 + 10 + 4 + 8 + 5 + 6 + 5 + 8 + 5 + 8 + 4 + 7 + 7 + 17 + 6 + 9 + 6 + 7 | | KKC4258 | |
| String Quartets Nos.1-4 | Schoenberg - Kolisch Quartet, Clemence Gifford | 2×CD | 8 + 11 | | ARC-103/4 | |