The Nuttall Encyclopedia
A celebrated operatic deep bass singer, born in Naples, of French origin; he created quite a furore wherever he went; was teacher of singing to Queen Victoria (1794-1858).
Wood, James, ed. Entry for 'Lablache'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/l/lablache.html. Frederick Warne & Co Ltd. London. 1900.