| Toreador song = [enregistrement sonore] / Chanson du toreador Bizet. | Baritone [Leonard Warren] ; Chorus ; Symphony Orchestra ; [Wilfrid Pelletier, conductor]. | Music Appreciation. |
| Avant de quitter ces lieux = [enregistrement sonore] / Even bravest hearts Gounod. | Leonard Warren, baritone ; Victor Symphony Orchestra ; Wilfred [i.e. Wilfrid] Pelletier, conductor. | His Master's Voice. |
| La traviata. Act 2. Pura sicome un angelo (Fair as a rose in Paradise) (Duet. Germont and Violetta) / Verdi. | [Eleanor Steber, soprano] ; [Leonard Warren, baritone] ; [Publishers Service Symphony Orchestra] ; [Wilfrid Pelletier, conductor]. | Music Appreciation. |
| Rigoletto. Act 3. Tutte le feste (On every festal morning) / Verdi. | [Pelletier, Wilfrid] ; [Warren, Leonard] ; [Dickenson, Jean] ; [Publishers Service Symphony Orchestra]. | Music Appreciation. |
| La traviata / Verdi. | Unidentified soloists, orchestra, and conductor.|Eleanor Steber, soprano ; Armand Tokatyan, tenor ; Leonard Warren, baritone ; Lorenzo Alvary, bass ; chorus ; Publishers Service Symphony Orchestra (43-45 musicians) ; Wilfrid Pelletier, conductor--Cf. ARSC journal, v. 7 (1975), no. 1-2, p. 33-55. | |
| Il trovatore : Act II : Recitative : Qual suono = That ringing ; Aria : Per me ora fatale = The passion that inspires me ; Nuns' chorus : Ah! se l'error t'ingombra / Verdi. | Leonard Warren, bass ; RCA Victor Chorus ; RCA Victor Orchestra ; Robert Shaw, conductor. | |
| Decidi il mio destin / Leoncavallo. | [Eleanor Steber], soprano ; [George Cehanovsky], baritone ; [Leonard Warren, baritone] ; Symphony Orchestra ; [Wilfrid Pelletier, conductor]. | Music Appreciation. |
| La traviata. Act 2. Cosi alla misera (Ah! cruel world) / Verdi. | [Eleanor Steber, soprano] ; [Leonard Warren, baritone] ; [Publishers Service Symphony Orchestra] ; [Wilfrid Pelletier, conductor]. | Music Appreciation. |
| Columbine and Harlequin = [O Colombina and Arlecchin! Columbina!] / Leoncavallo. | [P. Bontempi], baritone ; [Eleanor Steber], soprano ; [Leonard Warren], baritone ; [Arthur Carron, tenor] ; Symphony Orchestra ; [Wilfrid Pelletier, conductor]. | Music Appreciation. |
| 'Si pue? = A word : prologue / Leoncavallo. | [Leonard Warren], baritone ; Symphony Orchestra ; [Wilfrid Pelletier, conductor]. | Music Appreciation. |
| La traviata. Act 3. Finale to opera [Di sprezzo degno ... Ah si che feci!] / Verdi. | [Eleanor Steber, soprano] ; [Armand Tokatyan, tenor] ; [Leonard Warren, baritone] ; [Publishers Service Symphony Orchestra] ; [Wilfrid Pelletier, conductor]. | Music Appreciation. |
| Rigoletto : Act II : Cortiglani, vil razza dannata (Vile race of courtiers) / Verdi. | Leonard Warren, bass ; RCA Victor Orchestra ; Frieder Weissmann, conductor. | |
| Monologo O monumento = Barnaba's Soliloquy / Ponchielli. | Leonard Warren, baritone ; Victor Symphony Orchestra ; Wilfred [i.e. Wilfrid] Pelletier, conductor. | His Master's Voice. |
| Aïda / Verdi. | Unidentified soloists, orchestra, and conductor.|Rose Bampton, soprano ; Lydia Summers, mezzo-soprano ; Arthur Carron, tenor ; Leonard Warren, baritone ; Norman Cordon, Lorenzo Alvary, basses ; chorus ; Publishers Service Symphony Orchestra (45-50 musicians) ; Wilfrid Pelletier, conductor--Cf. ARSC journal, v. 7 (1975), no. 1-2, p. 33-55. | |
| Otello : Act II : Credo in un dio crudel = I believe in a cruel god (Iago's creed) / Verdi. | Leonard Warren, baritone ; RCA Victor Orchestra ; Frieder Weissmann, conductor. | |
| Rigoletto. Act 3. Compiuto pur quanto (I think what remains yet for me) / Verdi. | [Pelletier, Wilfrid] ; [Warren, Leonard] ; [Dickenson, Jean] ; [Lorenzo Alvary] ; [Publishers Service Symphony Orchestra]. | Music Appreciation. |
| Il trovatore : Act II : Il balen del suo sorriso (Tempest of the heart) / Verdi. | Leonard Warren, bass ; RCA Victor Orchestra ; Jean Paul Morel, conductor. | |
| Riverdo [i.e. Riverdrai] le foreste imbalsamate = Once again will I see our balmy forests / Verdi. | [Rose Bampton], soprano ; [Leonard Warren], baritone ; Symphony Orchestra ; [Wilfrid Pelletier, conductor]. | Music Appreciation. |
| Aria dappertutto : [enregistrement sonore] / scintille diamant = Dapertutto's aria [i.e. Dappertutto] : sparkle, diamond Offenbach. | Leonard Warren, baritone ; Victor Symphony Orchestra ; Wilfred [i.e. Wilfrid] Pelletier. | His Master's Voice. |
| Aida - Act II. Grand finale (conclusion). Che vegoo! Egli? Mio Padre! = What see I? He here? My father? / Verdi. | [Rose Bampton] ; [Lydia Summers] ; [Arthur Carron] ; [Lorenzo Alvary] ; [Norman Cordon] ; [Leonard Warren] ; Chorus ; Symphony Orchestra ; [Wilfrid Pelletier, conductor]. | Music Appreciation. |
| I pagliacci. Act 1. Decidi il mio destin (Tell me my fate, I pray) / Leoncavallo. | [Eleanor Steber, soprano] ; [Leonard Warren, baritone] ; [George Cehanovsky, baritone] ; [chorus] ; [Publishers Service Symphony Orchestra] ; [Wilfrid Pelletier, conductor]. | Music Appreciation. |
| Rigoletto. Act 3. Cortigiani, vil razza dannata (courtiers, foul race) / Verdi. | [Pelletier, Wilfrid] ; [Leonard Warren] ; [Publishers Service Symphony Orchestra, with chorus]. | Music Appreciation. |
| Toreador song = [enregistrement sonore] / Chanson du toreador Bizet. | Baritone [Leonard Warren] ; Chorus ; Symphony Orchestra ; [Wilfrid Pelletier, conductor]. | Music Appreciation. |
| Rigoletto. Act IV. La donna e mobile (Woman is fickle) ; Quartet Bella figlia dell' amore (Fariest daughter of the graces) / Verdi. | [Pelletier, Wilfrid, 1896-1982] ; [Warren, Leonard, 1911-1960] ; [Dickenson, Jean] ; [Tokatyan, Armand, 1894-1960] ; [Browning, Lucielle] ; [Publishers Service Symphony Orchestra]. | Music Appreciation. |
| Rigoletto : Act I : Pari siamo (Your assassin's my equal) (Rigoletto's monologue) / Verdi. | Leonard Warren, bass ; RCA Victor Orchestra ; Frieder Weissmann, conductor. | |
| È sogno? o realtà? = Am I awake? or do I dream? / Verdi. | Leonard Warren, baritone ; Victor Symphony Orchestra ; Wilfred [i.e. Wilfrid] Pelletier, conductor. | His Master's Voice. |
| Carmen / Bizet. | Unidentified soloists, chorus, orchestra, and conductor.|Joan Peebles, Thelma Votipka, Helen Oelheim, sopranos ; Raoul Jobin, George Cehanovsky, P. Bontempi, tenors ; Leonard Warren, baritone ; chorus ; Publishers Service Symphony Orchestra ; Wilfrid Pelletier, conductor--Cf. ARSC journal, v. 7 (1975), no. 1-2, p. 33-55. | |
| Un ballo in maschera : Act III : Eri tu? (Was it thou?) / Verdi. | Leonard Warren, baritone ; RCA Victor Orchestra ; Frieder Weissmann, conductor. | |