John Barbirolli, best remembered as a conductor of the Hallé Orchestra, recorded extensively from the late 1920s onwards, through to the stereo era.

Puccini - Tosca:
Tre sbirri, una carrozza
La povera mi cena fu interrotta (... Gia mi dicon venal)
Orchestra , John Barbirolli
Giovanni Inghilleri, baritone
Octave Dua, tenor

Verdi - Un Ballo in Maschera - Eri tu che macchiavi quell' anima
Orchestra, John Barbirolli
Verdi - Rigoletto - Pari siamo!
Orchestra of La Scala, Milan, Carlo Sabajno
Giovanni Inghilleri, baritone

Mediafire link for Aida, Tosca, Ballo, Rigoletto - Inghilleri, Poli-Randaccio

(This is a zip file – left click the link, download the file, then unzip when downloaded)

His Master's Voice D 1701
Matrices CR 2422-I, CR 2423-I (2-052426/7)
Recorded 19th June 1929

His Master's Voice D 1823
Matrices CR 2424-II (2-052424), CF 2359-IV (2-052394)
Recorded 19th June 1929, 10th December 1928

This record has a small chunk chipped from the rim, affecting the start of the groove on both sides.

Puccini – Madam Butterfly – Act 1. Love duet, finale
Lilian Stiles Allen, soprano.  Dan Jones, tenor
John Barbirolli’s Symphony Orchestra

Mascagni – Cavalleria Rusticana – Santuzza’s Song
Lilian Stiles Allen, soprano
John Barbirolli’s Symphony Orchestra

Edison Bell X523
Matrices X1762F, X 1763D
Recorded c1930

Johann Strauss I – Radetzky March
Hallé Orchestra, Sir John Barbirolli

From PYE CCL 30130
Recorded 1954-7, issued 1957